431. be liable to (=be subject to)易于..的,應(yīng)受(罰)

　　432. be liable for 對(duì)…應(yīng)負(fù)責(zé)任的

　　433. lie in 在于

　　434. in life 一生中

　　435. for life 終身

　　436. in the light of (=considering; taking into

　　account) 考慮到, 根據(jù)

　　437. throw light on ( = make clear, explain) 使…更為清楚, 提供線索, 闡明

　　438. in line with(=in agreement with)符合,一致

　　439. long for(=want very much)渴望,希望得到

　　440. for long 很久,很長(zhǎng)時(shí)間(否定句.疑問(wèn)句中)

　　441. before long (=soon)不久, 過(guò)了不久以后.

　　442. in the long run (=in the end)從長(zhǎng)遠(yuǎn)來(lái)說(shuō),最后; in the short term (從短期來(lái)說(shuō))

　　443. (be) at a loss 不知所措

　　444.major in 主修(某課程)

　　445. as a matter of fact 實(shí)際上, 事實(shí)是

　　446. by all means (=at all costs)不惜一切.

　　(=certainly) 當(dāng)然行;by means of用…; by no means 完全不, 決不

　　447. on memory of 為紀(jì)念…

　　448. on the mend (=in the process of recovering) 好轉(zhuǎn), 在康復(fù)中

　　449. mention sth. to sb. 向某人提起某事

　　450. at the mercy of (=in the power of) 任…擺布, 在…支配下

　　451. be in a mess 亂七八糟, 處境困難

　　make a mess of 弄亂, 打亂

　　452. bear(or keep)…in mind(=remember)牢記

　　453. bring(or call)to mind(=remember)使回想起

　　454. by mistake(由于粗心,健忘原因而)錯(cuò)誤地

　　455. at the moment (=now) 此刻,現(xiàn)在

　　for the moment (=for the time being)暫時(shí)

　　just a moment 稍等片刻

　　at the last moment 在最后一刻

　　456. in the mood for 有情緒去做..,有心境做.

　　457. no more…than 和…一樣都不…

　　458. for the most part 多半,大多數(shù),一般來(lái)說(shuō)

　　459. at (the) most 最多, 至多

　　460. make the most of 充分利用

　　461. be not much of(=not a good)不是很好的…

　　be something of 有點(diǎn)…,像…

　　462. name after 用…的名字命名

　　463. native to 所產(chǎn)的

　　464. by nature 天生的, 生來(lái)

　　465. in mature 本質(zhì)上

　　466. (be) in the nature of 屬…性質(zhì)

　　467. none other that 不是別人,正是…

　　468. above normal 高于正常(溫度)

　　469. for nothing (=free, without payment)免費(fèi)

　　470. nothing but 只有, 不過(guò)…而已

　　471. to say nothing of(=not to mention)更不用說(shuō)…

　　472. do sth. at short notice 只給很少時(shí)間準(zhǔn)備

　　473. until further notice 在另行通知前

　　474. take notice of (=pay attention) 注意

　　475. object to (=be opposed to) 反對(duì)

　　476. objection to (接動(dòng)名詞) 反對(duì)

　　477. on occasion(=now and then)不時(shí)地,必要時(shí)

　　478. by occasion of (=because of) 由于

　　479. occupy oneself with (in) 忙于(某事)

　　480. it occurs to sb. that… 某人想到…

　　481. once and for all =once and forever永遠(yuǎn)地

　　all at once (=suddenly, now) 立即,馬上

　　once in a while (=occasionally) 偶爾

　　(just) for once 就這一次

　　482. (all) by oneself 獨(dú)自(沒(méi)有別人幫助)

　　483. operate on sb. 給某人做手術(shù)

　　operation n. come/ go into operation開始運(yùn)轉(zhuǎn)

　　put/bring sth. into operation 使…投產(chǎn),運(yùn)轉(zhuǎn)

　　484. be of the opinion 持有…的看法

　　485. in one’s opinion 按某人的看法

　　486. be opposed to… 反對(duì)…

　　487. be opposite to 與…相反的

　　488. (be) in order(=acceptable)合適的,恰當(dāng)?shù)?/P>

　　in order 井井有條,處于良好狀態(tài); out of order(=in bad condition)出毛病,發(fā)生故障

　　489. made to order 定做的(衣服)

　　490. originate in/from(=begin)起源于,由..引起