一毛不拔

一毛不拔:

Literally means:

too stingy to give up even a hair; miserly

Actually means:

毛 human hair, here refers to the fine hair.

This phrase means one is unwilling to pluck even one fine hair. It figuratively means being too miserly to give even one cent. It is usually used to describe an extremely selfish miser who is reluctant to help other people. Derogatory.

毛，人的头发、胡须、汗毛，这里指汗毛。

一根汗毛也不肯拔。比喻把钱看得很重，一分都不肯拿出来。多用来指自私自利，非常吝啬，不肯为别人付出的人。具有贬义色彩。