keep to
将自己限于；遵守；信守
keep up
保持(情绪等)；保持；继续；坚持
keep up with
和...并驾齐驱；跟上
know about
知道关于…的情况
lay in
贮藏
lay over
使延期
lead into
引入；以...作为结果；导致
leave for
动身去(某处)
leave off
中断；停止
let down ['letdaun]
使失望；辜负...的期望
let off ['letɔf]
放过(尤指免于处分)；原谅；饶恕
let up
减小；减弱；放松；中止；停止
lie in
在于
light up
点燃；照亮
listen for
注意倾听(期待的声音等)
live up to
实践(信仰原则等)；不辜负(对自己的期望)
look down on
轻视；藐视，看不起
look into
浏览(书等)；观察；调查
look on
旁观；观望
look out
留神；当心
