415.be jealous of妒忌
416.jump at (=to be eager to accept)抢着接受, 417.jump on (=scold, tell of)叱责
418.junior to sb.年纪较……轻,职位较……低 419.(be) keen on喜爱,渴望
420.keep a close watch on (=keep a sharp lookout for)密切注视 421.keep...to oneself (=keep secret)不告诉别人 422.to (the best of) one’s knowledge据……所知 423.at large (=at liberty, free)在逃,逍遥法外 at large (= in general) 一般来说,大体上
at large (= at full length; with details) 详细地 424.lean against(背)靠着…… 425.at least 至少;at most 至多
426.(not) in the least 一点(也不),丝毫(也不) 427.at one’s leisure 在……有空的时候
428.lend itself/themselves to 适合于(某用途) 429.at length (=after a long time,at last) 终于
at length (=in detail,thoroughly) 详细地 430.go to any length 想一切办法,尽一切力量
431.be liable to (=be subject to) 易于……的,应受(罚) 432.be liable for 对……应负责任的 433.lie in 在于 434.in life 一生中 435.for life 终身
436.in the light of (=considering;taking into account) 考虑到,根据 437.throw light on (=make clear,explain) 使……更为清楚,提供线索,阐明
438.in line with (=in agreement with) 符合,一致 389.improve sth. (make sth. better)把原物改进
improve on (=produce or be sth. better than...)另做一物比原物更好 390.improve in (=get better)有改进,好些 391.improvement in表示原物有改进,好转 392.include...in把……列在……里面 393.inclusive of把……包括在内 394.independent of独立的,不受约束的
395.indicative of表明,说明
396.be indifferent to (=not interested in)对……漠不关心,冷淡,不在乎 397.(be) inferior to (=less good in quality or value)比……差;superior to比……好
398.inform sb. of sth.通知,告诉 399.be innocent of无罪的,无辜的
400.insist on (=order sth. to happen)坚持要 401.instead of (in place of)代替,而不是…… 402.instruct...in (=teach)教,指导,训练某人……
403.insure... for把……保险(多少钱);ensure使安全;assure...(of)使……确信,保证
404.insure...against保险……以防 405.intend...for打算把……给 406.(be) intent on专心致志,坚决 407.in the interests of符合……的利益 be interested in对……感兴趣
408.interfere in干涉,interfere with打搅,干扰 409.at intervals每隔一会儿,每隔一段距离
410.intervene in干预 411.invest in投资
412.be involved in (=become connected or concerned)卷入,参加 413.by itself (=alone, without help)单独地,靠自己 414.in itself本身;of itself自发,自然 415.be jealous of妒忌
416.jump at (=to be eager to accept)抢着接受, 417.jump on (=scold, tell of)叱责
418.junior to sb.年纪较……轻,职位较……低 419.(be) keen on喜爱,渴望
420.keep a close watch on (=keep a sharp lookout for)密切注视 421.keep...to oneself (=keep secret)不告诉别人 422.to (the best of) one’s knowledge据……所知 423.at large (=at liberty, free)在逃,逍遥法外 at large (= in general) 一般来说,大体上
at large (= at full length; with details) 详细地 424.lean against(背)靠着……
425.at least 至少;at most 至多
426.(not) in the least 一点(也不),丝毫(也不) 427.at one’s leisure 在……有空的时候
428.lend itself/themselves to 适合于(某用途) 429.at length (=after a long time,at last) 终于 at length (=in detail,thoroughly) 详细地 430.go to any length 想一切办法,尽一切力量
431.be liable to (=be subject to) 易于……的,应受(罚) 432.be liable for 对……应负责任的 433.lie in 在于 434.in life 一生中 435.for life 终身
436.in the light of (=considering;taking into account) 考虑到,根据 437.throw light on (=make clear,explain) 使……更为清楚,提供线索,阐明
438.in line with (=in agreement with) 符合,一致 439.long for (=want very much) 渴望,希望得到