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
439.long for (=want very much) 渴望,希望得到
440.for long 很久,很长时间(否定句,疑问句中)
441.before long (=soon) 不久,过了不久以后
442.in the long run (=in the end ) 从长远来说,最后;in the short term (从短期来说)
443.(be) at a loss 不知所措
444.major in 主修(某课程)
445.as a matter of fact 实际上,事实是
446.by all means (=at all costs) 不惜一切
(=certainly) 当然行;by means of 用……;by no means 完全不,决不
447.on memory of 为纪念……
448.on the mend (=in the process of recovering) 好转,在康复中
449.mention sth. sb. 向某人提起某事
450.at the mercy of (=in the power of ) 任……摆布,在……支配下
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