use your head
成語所屬單字head
use your head — 慣用語
1. Used to tell someone to think, especially when they ask for your opinion or say
1.慣用語
釋義
動動腦筋
Used to tell someone to think, especially when they ask for your opinion or say something stupid.
例句
Why don't you want to see him again? Oh, use your head!
Use your head! You know the answer.