laugh at
嘲笑

lead to
导致, 导向

let in
让……进来, 放进

let out
放掉, 泄露

live on
以…为主食, 靠…为生

look after
照顾

look ahead
向前看, 展望未来

look down upon
看不起, 轻视

look for
寻找

look forward to
盼望

look into
向…里面看去; 调查

look out
留神, 当心

look through
看穿, 浏览

look up
查找

lots of
许多, 大量