off one's rocker
成語所屬單字rocker
off one's rocker — 慣用語
1. Completely crazy or irrational; used informally to say that someone is acting in
1.慣用語
釋義
瘋了；頭腦不正常
Completely crazy or irrational; used informally to say that someone is acting in a very strange or foolish way.
例句
Talia's brother wants to climb the mountain in a thunderstorm wearing only flip-flops — he must be off his rocker.
Anyone who pays twenty thousand dollars for a rusty old car is off their rocker.