没毛病

没毛病

Literally means:

without any fault

Actually means:

be healthy

This phrase originally means that somebody is physically healthy or characteristically without any fault, or that something is perfect without any defect or fault. It figuratively means that a person is normal in mind and behavior. This phrase is often used in an interrogative senten express the speaker's confusion about certain behavior or opinion, or to indicate that the behavior or opinion is abnormal.

原指人没有疾病或缺点、错误；事物没有缺点或故障。比喻人的思想行为正常。常用问句的形式，表示对别人的某种行为、想法很不理解，或认为是反常的。