need (to have) your head examined

成語所屬單字examine

need (to have) your head examined — 慣用語

1. This phrase means that someone is acting very strangely or foolishly.

1.慣用語
釋義

腦袋有問題

This phrase means that someone is acting very strangely or foolishly.

例句

Maya said she would run a marathon in high heels; she needs her head examined.

If you think that plan will work, you need to have your head examined.