obstacle,(n),/ˈɒb.stə.kəl/,"Vật chướng ngại, trở lực. Sự cản trở, sự trở ngại.
=a situation, an event, etc that makes it difficult for you to do or achieve something",The biggest [obstacle] in our way was a tree trunk in the road.<br>A lack of qualifications can be a major [obstacle] to finding a job.<br>We suddenly encountered an [obstacle] along the trail.,"<img src=""paste-8572754722817 (1).jpg"">",[sound:obstacle_uk.mp3],[sound:We_suddenly_encountered_an_obstacle_along_the_trail._us.mp3]
oral,(adj),/ˈɔː.rəl/,"(Giải phẫu) (thuộc) miệng.
=of, taken by, or done to the mouth.",[oral] hygiene<br>[oral] surgery<br>We particularly concentrate on [oral] fluency.,"<img src=""Marielaina-Perrone-DDS-Maintain-Oral-health.jpg"">",[sound:oral_uk.mp3],[sound:We_particularly_concentrate_on_oral_fluency._us.mp3]
painkiller,(n),/ˈpeɪnˌkɪl.ər/,"thuốc giảm đau
=a drug that reduces pain",The body produces chemicals that are natural [painkillers]<br>She's on (= taking) [painkillers].<br>One of the first things that is often done by doctors is to give you a simple [painkiller] like paracetamol,"<img src=""paste-5957119639553.jpg"">",[sound:painkiller_uk.mp3],[sound:One_of_the_first_things_that_is_often_done_by_doctors_is_to_give_you_a_simple_painkiller_like_paracetamol_us.mp3]
particular,(adj),/pəˈtɪk.jə.lər/,"cụ thể, đặc biệt, đặc thù
=used to emphasize that you are referring to a specific person, thing or type of thing and not others",There is one [particular] patient I'd like you to see.<br>Is there a [particular] type of book he enjoys?<br>She wanted a [particular] type of cactus.,"<img src=""paste-31576599560193.jpg"">",[sound:particular_uk.mp3],[sound:She_wanted_a_particular_type_of_cactus._us.mp3]
pastureland,(n),/ˈpɑːs.tʃəˌlænd/,"đất để trồng cỏ chăn thả gia súc
=land where animals can feed on grass.",To raise one cow requires an acre of rich [pastureland].<br>The area between the mountains is mostly [pastureland].<br>In agricultural districts [pastureland] is usually fenced.,"<img src=""paste-21895743275009.jpg"">",[sound:pastureland_uk.mp3],[sound:In_agricultural_districts_pastureland_is_usually_fenced._us.mp3]
pattern,(n),/ˈpæt.ən/,"Mẫu vẽ, họa tiết lặp đi lặp lại (trên vải, hảm, rèm che cửa ).
=any regularly repeated arrangement, especially a design made from repeated lines, shapes, or colours on a surface.","Look, the frost has made a beautiful [pattern] on the window.<br>The curtains had a floral [pattern].<br>The fabric is baby blue with a [pattern] of assorted donuts.","<img src=""paste-33732673142785.jpg"">",[sound:pattern_uk.mp3],[sound:The_fabric_is_baby_blue_with_a_pattern_of_assorted_donuts._us.mp3]
persevere,(v),/ˌpɜː.sɪˈvɪər/,"Kiên nhẫn, kiên trì; bền gan, bền chí.
=to continue trying to do or achieve something despite difficulties (+ in, with)","She [persevered] with her violin lessons.<br>You have to [persevere] with difficult students.<br>If you [persevere] long enough and work hard enough, you'll eventually succeed.","<img src=""persevere-800x445.jpg"">",[sound:persevere_uk.mp3],"[sound:If_you_persevere_long_enough_and_work_hard_enough,_you'll_eventually_succeed._us.mp3]"
phase,(n),/feɪz/,"Giai đoạn, thời kỳ (phát triển, biến đổi).
=a stage in a process of change or development","The project is only in its initial [phase] as yet, but it's looking quite promising.<br>We're entering a new [phase] in international relations.<br>We're now entering the final [phase] of the project.","<img src=""paste-14572824035329.jpg"">",[sound:phase_uk.mp3],[sound:We're_now_entering_the_final_phase_of_the_project._us.mp3]
physician,(n),/fɪˈzɪʃ.ən/,"Thầy thuốc.
=a doctor, especially one who is a specialist in general medicine and not surgery","Women placed great faith in their [physicians] and the medical care system.<br>In most countries, treatment is provided by some clinics or [physicians]<br>If your child becomes ill, be sure that the [physician] knows what medicines he or she is taking","<img src=""paste-42193758715905.jpg"">",[sound:physician_uk.mp3],"[sound:If_your_child_becomes_ill,_be_sure_that_the_physician_knows_what_medicines_he_or_she_is_taking_us.mp3]"
pine,(n),/paɪn/,"(Thực vật học) Cây thông.
=an evergreen forest tree with leaves like needles.",[pine] forests<br>[pine] needles<br>The campsite is set in the middle of a [pine] forest.,"<img src=""paste-18799071854593.jpg"">",[sound:pine_uk.mp3],[sound:The_campsite_is_set_in_the_middle_of_a_pine_forest._us.mp3]
plague,(v),/pleɪɡ/,"Gây bệnh dịch cho Gây tai hoạ cho, gây tai hại cho, gây tệ hại cho
=to cause pain or trouble to somebody/something over a period of time [synonym] trouble",Financial problems have been [plaguing] their new business partners.<br>My shoulder's been [plaguing] me all week.<br>Water shortages are a problem [plaguing] many large cities in China,"<img src=""653px-Paul_Fürst_Der_Doctor_Schnabel_von_Rom_Holländer_version-e1463102883890.png"">",[sound:plague_uk.mp3],[sound:Water_shortages_are_a_problem_plaguing_many_large_cities_in_China_us.mp3]
plait,(v),/plæt/,"Tết, bện
=to twist three or more long pieces of hair, rope, etc together to make one long piece.",She [plaited] the horse's tail.<br>a [plaited] leather bracelet/belt<br>He had long coarse grey hair that was [plaited] in a braid down his back.,"<img src=""indian-young-woman-braiding-hair.jpg"">",[sound:plait_uk.mp3],[sound:He_had_long_coarse_grey_hair_that_was_plaited_in_a_braid_down_his_back._us.mp3]
pole,(n),/pəʊl/,"cột, sào, cọc chống
=a long, thin stick of wood or metal, often used standing straight up in the ground to support things.",a telegraph/electricity [pole]<br>A flag fluttered from a 40-foot [pole].<br>The children of the village dance around a [pole] decorated with coloured ribbons.,"<img src=""paste-11312943857665 (1).jpg"">",[sound:pole_uk.mp3],[sound:The_children_of_the_village_dance_around_a_pole_decorated_with_coloured_ribbons._us.mp3]
post,(n),/pəʊst/,"Cột trụ.
=a vertical stick or pole stuck into the ground, usually to support something or show a position",corner [posts] (= that mark the corners of a sports field)<br>The team's 'net' was a piece of string tied to two [posts].<br>Al leaned against a fence [post].,"<img src=""xtimthumb.php,qw=350,ah=350,aa=t,aq=100,asrc=,hfictionsoutheast.org,_wp-content,_uploads,_2015,_10,_8612794182_68fbf8dbba-350x199.jpg.pagespeed.ic.j-CibgLSip.jpg"">",[sound:post_uk.mp3],[sound:Al_leaned_against_a_fence_post._us.mp3]
precede,(v),/prɪˈsiːd/,"Đi trước; đứng trước; đặt trước; ở trước; có trước, đến trước.
=to happen before something or come before something/somebody in order.",Kofi Annan [preceded] Ban Ki-moon as the Secretary-General of the UN.<br>It would be helpful if you were to [precede] the report with an introduction.<br>Take time to read the chapters that [precede] the recipes,"<img src=""paste-6025839116289.jpg"">",[sound:precede_uk.mp3],[sound:Take_time_to_read_the_chapters_that_precede_the_recipes_us.mp3]
predate,(v),/priːˈdeɪt/,"có trước một thứ gì đó khác
=to have existed or happened before another thing.",Few of the town's fine buildings [predate] the earthquake of 1755.<br>These cave paintings [predate] any others which are known.<br>These burial mounds [predated] the arrival of Europeans in North America.,"<img src=""historical-village-of.jpg"">",[sound:predate_uk.mp3],[sound:These_burial_mounds_predated_the_arrival_of_Europeans_in_North_America._us.mp3]
prehistoric,(adj),/ˌpriː.hɪˈstɒr.ɪk/,"(thuộc) Tiền sử.
=describing the period before there were written records.",[prehistoric] man/humans/animals<br>Painting originated in [prehistoric] times.<br>Iron has been used in the British Isles since the [prehistoric] Iron Age,"<img src=""paste-8735963480065_1470756627997.jpg"">",[sound:prehistoric_uk.mp3],[sound:Iron_has_been_used_in_the_British_Isles_since_the_prehistoric_Iron_Age_us.mp3]
prescribe,(v),/prɪˈskraɪb/,"(Y học) Cho, kê (đơn ).
=(of a doctor) to say what medical treatment someone should have",I've been [prescribed] painkillers<br>The doctor [prescribed] some pills.<br>He wouldn't [prescribe] anything - just recommended rest.,"<img src=""paste-36399847833601.jpg"">",[sound:prescribe_uk.mp3],[sound:He_wouldn't_prescribe_anything_-_just_recommended_rest._us.mp3]
prescription,(n),/prɪˈskrɪp.ʃən/,"(Y học) Sự cho đơn; đơn thuốc.
=a piece of paper on which a doctor writes the details of the medicine or drugs that someone needs",The doctor gave me a [prescription] for antibiotics<br>These drugs are only available on [prescription] (= with a prescription from a doctor).<br>I got a [prescription] for some stronger painkillers.,"<img src=""paste-37031208026113.jpg"">",[sound:prescription_uk.mp3],[sound:I_got_a_prescription_for_some_stronger_painkillers._us.mp3]
preserve,(v),/prɪˈzɜːv/,"Giữ, giữ gìn, bảo quản, bảo tồn, duy trì.
=to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed",Carefully follow instructions to [preserve] foods safely.<br>He was anxious to [preserve] his reputation.<br>It's our duty to [preserve] the planet for future generations.,"<img src=""paste-15049565405185.jpg"">",[sound:preserve_uk.mp3],[sound:It's_our_duty_to_preserve_the_planet_for_future_generations._us.mp3]
previously,(adv),/ˈpriː.vi.əs.li/,"Trước, trước đây.
=at a time before the time that you are talking about.",The building had [previously] been used as a hotel<br>I had visited them three days [previously].<br>She was [previously] employed as a tour guide.,"<img src=""paste-5046586572801.jpg"">",[sound:previously_uk.mp3],[sound:She_was_previously_employed_as_a_tour_guide._us.mp3]
prior,(adj),/ˈpraɪər/,"trước khi
=before a particular time or event.",the week [prior] to her death<br>The course required no [prior] knowledge of Spanish.<br>Passengers may board the plane twenty minutes [prior] to (= before) departure.,"<img src=""about-a-weugityk-ago-week-ago.jpg"">",[sound:prior_uk.mp3],[sound:Passengers_may_board_the_plane_twenty_minutes_prior_to_departure._us.mp3]
productive,(adj),/prəˈdʌk.tɪv/,"làm được nhiều, sản xuất được nhiều, năng suất cao
=doing or achieving a lot [synonym] fruitful","In order to turn the deserts into fertile and [productive] land, engineers built an 800-mile canal.<br>He had an amazingly [productive] five years in which he managed to write four novels.<br>What was once desert has become [productive] farmland.","<img src=""paste-6176162971649.jpg"">",[sound:productive_uk.mp3],[sound:What_was_once_desert_has_become_productive_farmland._us.mp3]
property,(n),/ˈprɒp.ə.ti/,"Đặc tính, thuộc tính, tính chất.
=(formal) a quality or characteristic that something has","a plant with medicinal [properties].<br>One of the [properties] of copper is that it conducts heat and electricity very well.<br>Wool has excellent [properties] for clothing, since it can keep you warm while letting air in.","<img src=""coconut_oil_benefits.png"">",[sound:property_uk.mp3],"[sound:Wool_has_excellent_properties_for_clothing,_since_it_can_keep_you_warm_while_letting_air_in._us.mp3]"
proportion,(n),/prəˈpɔː.ʃən/,"Tỷ lệ.
=the number, amount, or level of one thing when compared to another",The [proportion] of women to men at my college was about five to one<br>Water covers a large [proportion] of the earth's surface.<br>Children make up a large [proportion] of the world's population.,"<img src=""Male-FemaleRatio.png"">",[sound:proportion_uk.mp3],[sound:Children_make_up_a_large_proportion_of_the_world's_population._us.mp3]
protest,(v),/prəˈtest/,"biểu tình
=to show that you disagree with something by standing somewhere, shouting, carrying signs, etc","A big crowd of demonstrators were [protesting] against cuts in health spending.<br>Outside, a group of students were [protesting] research cuts.<br>Doctors and patients [protested] against plans to cut services at the hospital","<img src=""paste-10484015169537_1470756627997.jpg"">",[sound:protest_uk.mp3],[sound:Doctors_and_patients_protested_against_plans_to_cut_services_at_the_hospital_us.mp3]
punctual,(adj),/ˈpʌŋk.tʃu.əl/,"Đúng giờ (không chậm trễ).
=arriving, doing something, or happening at the expected, correct time; not late.",He's fairly [punctual] (= he usually arrives on time)<br>She has been reliable and [punctual].<br>Always be [punctual] for an interview.,"<img src=""224_better_living_flash.jpg"">",[sound:punctual_uk.mp3],[sound:Always_be_punctual_for_an_interview._us.mp3]
punctuality,(n),/ˌpʌŋk.tʃuˈæl.ə.ti/,"sự đúng giờ, tính đúng giờ
=the fact of happening or doing something at the agreed or correct time and not being late.",There is a bonus scheme for employees who show good performance and [punctuality]<br>He insists on regular attendance and [punctuality].<br>[Punctuality] has never been his strong point.,"<img src=""Attendance2.jpg"">",[sound:punctuality_uk.mp3],[sound:Punctuality_has_never_been_his_strong_point._us.mp3]
puncture,(v),/ˈpʌŋk.tʃər/,"Đâm thủng, châm thủng, chích thủng.
=to make a small hole in something; to get a small hole",to [puncture] a tyre.<br>She had used a screwdriver to [puncture] two holes in the lid<br>The knife went through his ribs and [punctured] his lung.,"<img src=""paste-34557306863617.jpg"">",[sound:puncture_uk.mp3],[sound:The_knife_went_through_his_ribs_and_punctured_his_lung._us.mp3]
refer,(v),/rɪˈfɜːr/,"Ám chỉ, nói đến, kể đến, nhắc đến.
=to mention or speak about somebody/something",You know who I'm [referring] to.<br>She always [referred] to Ben as 'that nice man'.<br>The victims were not [referred] to by name.,"<img src=""pocket-referral-offer-d.png"">",[sound:refer_uk.mp3],[sound:The_victims_were_not_referred_to_by_name._us.mp3]