just now刚才,才不久;现在,眼下
keep an eye on留意,照看
keep in mind记住
keep on继续进行,反复地做
keep one's word守信用
keep to坚持;固守(习惯等)
keep up with跟上,不落后
knock down撞倒;击倒
laugh at因……而发笑;嘲笑
lay aside把……搁置一旁;留存,储存
lay down放下;制定(计划等)
lay out布置,安排,设计;摆出,展开
lead to通向;导致,引起
learn by heart记住,背诵
learn from学习,向……学习
leave alone不打扰,不干预
leave behind丢弃;留下;忘记携带
leave out忽略,遗漏;省略
let alone更别提;不打扰
let off排放;放(炮),开(枪)
let out放掉(水等),发出
lie in在于
line up排队,使排成一行
little by little一点一点地,逐渐地
live on靠……生活;以……为食
live through经历过;度过;经受住
live up to无愧于;做到;符合
long before在……以前很久
long for渴望
look after目送;照料,照顾
look at看着;看待
look back回头看;回顾
look down on/upon蔑视,看不起
look for寻找,寻求;指望,期待
look forward to盼望,期待;预期,预料
look into观察;调查
look on旁观;观看
look out留神,注意
look over仔细检查,细看;察看,巡视
look through(从头至尾)浏览;详尽核查;温习
look up向上看;(在字典中)查出
lose heart灰心,泄气