二五眼

二五眼

Literally means:

two-five-eyes

Actually means:

of inferior ability or quality; incompetent person

眼 and 板 combined is 板眼. They respectively refer to the strong and the weak meters in traditional Chinese opera music.

This phrase mean one's music time is not right. It figuratively refers to a person who has poor ability or is not professional. It also describes something with bad quality. Derogatory.

别表示强的和不强的节拍。

二五眼，表示节拍不对。指人能力差，不懂行，或能力差的人。也指东西质量不好。具有贬义色彩。