目くそが鼻くそを笑う
Meanings
1
the pot calling the kettle black
Idiomatic expression meaning someone criticizes another for a fault they themselves have. Literally 'the eye goop laughs at the nose snot'.
See also: 目くそ鼻くそを笑う
He scolds me for being late, but he's often late himself. It's exactly the pot calling the kettle black.