Re:어휘 학습[longman dictionary of contemporary 에서는 ..]

unpredictable          a. 예측할 수 없는    changing a lot so it is impossible to know what will happen: unpredictable weather unstable          a. 불안정한, 변하기 쉬운   likely to change suddenly and become worse something that is unstable is likely to move or fall  someone who is unstable changes very suddenly so that you do not know how they will react or behave   unwavering          a. 동요하지 않는, 확고한   an unwavering attitude, belief, expression‎ etc does not change upcoming          a. 다가오는, 공개될    [only before noun] happening soon useful          a. 쓸모 있는, 유용한   helping you to do or get what you want [≠ useless]   COLLOCATIONS useful information/advice/tip useful way of doing something useful tool (=useful method or thing that you can use) it is useful to do something prove useful find something useful make yourself useful (=be helpful) come in useful (=be useful) serve a useful purpose/function (=be useful) valid          a. 확실한, 정당한, 효과적인   a valid ticket, document, or agreement is legally or officially acceptable    valid reason/argument/criticism etc a reason, argument etc that is based on what is reasonable or sensible:   valuable          a. 귀중한, 귀한   worth a lot of money   valuable help, advice, information etc is very useful because it helps you to do something visual          a. 시각의, 눈에 보이는   [usually before noun]relating to seeing Artists translate their ideas into visual images. volatile          a. 변덕스러운, 휘발성의   a volatile situation is likely to change suddenly and without warning :the highly volatile stock and bond markets   technical a volatile liquid or substance changes easily into a gas voucher          n. 상품권   a ticket that can be used instead of money for a particular purpose :The voucher can be used at most major supermarkets. vulnerable          a. ~받기 쉬운   someone who is vulnerable can be easily harmed or hurt :Children are most vulnerable to abuse within their own home.   a place, thing, or idea that is vulnerable is easy to attack or criticize :The fort was vulnerable to attack from the north.   wide          a. 폭넓은, 광범위한   [usually before noun] including or involving a large variety of different people, things, or situations   a wide range/variety/choice etc (of something) :This year's festival includes a wide range of entertainers. willing          a. 기꺼이 ~하는(to do), 자발적인    [not before noun] prepared to do something, or having no reason to not want to do it :How much are they willing to pay? relentless          a. 가차없는   strict, cruel, or determined, without ever stopping   something bad that is relentless continues without ever stopping or getting less severe [= endless]     taunt          n. 비웃음   [countable often plural] a remark or joke intended to make someone angry or upset: racist taunts   thanks to          prep. ~덕분에   thanks to somebody/something informal because of someone or something :Some ski resorts opened early, thanks to a late-October snowstorm.   Do not say 'thank to someone/something'   word choice   owing to, due to, because of, thanks to   Owing to and due to are slightly formal. They are often used in official notices and public statements • Owing to bad weather, this morning's flight will be delayed. • He is retiring due to ill health.!! Owing to and due to are prepositions (they come immediately before a noun). They are not conjunctions (they cannot connect two parts of a sentence) • I had to wait hours because the plane was delayed (NOT I had to wait hours owing to the plane was delayed). In spoken English, it is more usual to use because of than owing to or due to • All my clothes got wet because of the storm (NOT owing to the storm).Thanks to is used to explain why something good has happened • Thanks to the success of his first album, he is now a wealthy man. regardless of age          나이와 상관없이   without being affected or influenced by something :The law requires equal treatment for all, regardless of race, religion, or sex.     출처 : longman dictionary of contemporary english online .