"have got a screw loose" in Chinese (Traditional)
腦子有點問題神經有點不正常
Definition
說某人 '腦子有點問題'，意思是覺得對方有點瘋狂、奇怪，或者思考不清楚。一般是開玩笑或輕鬆地說，並非嚴重侮辱。
Usage Notes (Chinese (Traditional))
這是一句非正式又有點幽默的成語，用來形容某人有點怪或瘋癲。避免在正式場合使用，常用於朋友間玩笑。類似說法有：'腦袋瓜有點問題'、'神經不太正常'。
Examples
I think he has got a screw loose—he talks to his plants every day.
我覺得他**腦子有點問題**——每天都和植物說話。
People say she's smart, but sometimes she has got a screw loose.
人們說她很聰明，但有時她**腦子有點問題**。
My brother has got a screw loose—he went swimming in the lake in winter!
我哥哥**腦子有點問題**——冬天竟然去湖裡游泳！
If you think jumping off the roof is a good idea, you have got a screw loose!
你要是覺得跳屋頂是個好主意，那你**腦子肯定有問題**！
She spends all night talking to her cat—you'd think she has got a screw loose.
她整晚都和貓說話——你會覺得她**腦子有點問題**。
You have got a screw loose if you seriously want to eat that much chili at once.
你要是真的想一次喫這麼多辣椒，肯定**腦子有點問題**。