on the lam
逃亡；逃脱法律的追捕
口语·描述逃避法律追捕
英文释义
To be on the run or fleeing from the authorities
例句
The thief has been on the lam since the robbery last week.
典故来源
源自19世纪美国俚语，lam可能来自古英语‘逃跑’，常用于描述罪犯逃亡。