Vocabulary

頭がおかしい

insane; crazy; nuts; out of one's mind

expression i-adjective

Example sentences

Are you insane for you to stay up all night playing cards?

To behave like that, he must be out of his mind.

He must be crazy to do such a thing.

The man must be insane.

The drunkard had too much to drink; he has gone haywire.

Many people think I'm crazy.