常考詞匯
401.intend……for打算把……給
402.(be) intent on專心致志，堅(jiān)決
403.instead of (in place of)代替，而不是……
404.in the interests of符合……的利益
405.instruct……in (=teach)教，指導(dǎo)，訓(xùn)練某人……
406.insure…… for把……保險(xiǎn)(多少錢)；ensure使安全；assure……(of)使……確信，保證
407.insure……against保險(xiǎn)……以防
be interested in對(duì)……感興趣
408.interfere in干涉，interfere with打攪，干擾
409.at intervals每隔一會(huì)兒，每隔一段距離
410.intervene in干預(yù)
411.invest in投資
412.be involved in (=become connected or concerned)卷入，參加
413.by itself (=alone， without help)單獨(dú)地，靠自己
414.in itself本身；of itself自發(fā)，自然
415.be jealous of妒忌
416.jump at (=to be eager to accept)搶著接受，
417.jump on (=scold， tell of)叱責(zé)
418.junior to sb.年紀(jì)較……輕，職位較……低
419.(be) keen on喜愛(ài)，渴望
420.keep a close watch on (=keep a sharp lookout for)密切注視
421.keep……to oneself (=keep secret)不告訴別人
422.to (the best of) one‘s knowledge據(jù)……所知
423.at large (=at liberty， free)在逃，逍遙法外
at large (= in general) 一般來(lái)說(shuō)，大體上
at large (= at full length; with details) 詳細(xì)地
424.lean against(背)靠著……
425.at least 至少；at most 至多
426.(not) in the least 一點(diǎn)(也不)，絲毫(也不)
427.at one‘s leisure 在……有空的時(shí)候
428.lend itself/themselves to 適合于(某用途)
429.at length (=after a long time，at last) 終于
at length (=in detail，thoroughly) 詳細(xì)地
430.go to any length 想一切辦法，盡一切力量
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. sb. 向某人提起某事
450.at the mercy of (=in the power of ) 任……擺布，在……支配下