just now剛才，才不久;現(xiàn)在，眼下

keep an eye on留意，照看

keep in mind記住

keep on繼續(xù)進(jìn)行，反復(fù)地做

keep one’s word守信用

keep to堅(jiān)持;固守(習(xí)慣等)

keep up with跟上，不落后

knock down撞倒;擊倒

laugh at因……而發(fā)笑;嘲笑

lay aside把……擱置一旁;留存，儲存

lay down放下;制定(計(jì)劃等)

lay out布置，安排，設(shè)計(jì);擺出，展開

lead to通向;導(dǎo)致，引起

learn by heart記住，背誦

learn from學(xué)習(xí)，向……學(xué)習(xí)

leave alone不打擾，不干預(yù)

leave behind丟棄;留下;忘記攜帶

leave out忽略，遺漏;省略

let alone更別提;不打擾

let off排放;放(炮)，開(槍)

let out放掉(水等)，發(fā)出

lie in在于

line up排隊(duì)，使排成一行

little by little一點(diǎn)一點(diǎn)地，逐漸地

live on靠……生活;以……為食

live through經(jīng)歷過;度過;經(jīng)受住

live up to無愧于;做到;符合

long before在……以前很久

long for渴望

look after目送;照料，照顧

look at看著;看待

look back回頭看;回顧

look down on/upon蔑視，看不起

look for尋找，尋求;指望，期待

look forward to盼望，期待;預(yù)期，預(yù)料

look into觀察;調(diào)查

look on旁觀;觀看

look out留神，注意

look over仔細(xì)檢查，細(xì)看;察看，巡視

look through(從頭至尾)瀏覽;詳盡核查;溫習(xí)

look up向上看;(在字典中)查出

lose heart灰心，泄氣