get away with murder
US /ɡɛt əˈweɪ wɪð ˈmɜːrdər/
UK /ɡɛt əˈweɪ wɪð ˈmɜːrdər/

1.
逍遥法外, 逃脱惩罚
to do something very bad or wrong and not be punished for it
:
•
He's always late, but because he's the boss's son, he seems to get away with murder.
他总是迟到,但因为他是老板的儿子,所以他似乎总是逍遥法外。
•
Some students try to get away with murder by cheating on exams, but they usually get caught.
有些学生试图通过考试作弊来逍遥法外,但他们通常会被抓到。