Don't trust him, he is a bad egg.
bad egg
idiomSomeone whose behaviour is reprehensible or irresponsible; a rogue.
Origin
disputed originAn allusion to an egg that has gone bad or turned rotten.
The manager fired the new employee after realizing he was a bad egg who caused trouble for the whole team.
Despite his charming outward appearance, the townspeople eventually discovered he was a bad egg who had been stealing from their savings for years.
- 01
a wild goose never laid a tame egg
Most things are inherited and predetermined.
- 02
bad actor
An individual or entity with a prior criminal conviction, or who has been sanctioned by the court or regulator.
- 03
bad apple
A person who is not wholesome, honest, or trustworthy, especially one who has an adverse influence on others.
- 04
bad books
Disfavor.
- 05
bad business
Synonym of bad news (“irritating, troublesome or harmful thing, situation or person”).
- 06
bad company
The wrong crowd.
- 07
bad hair day
A day when things seem to be unmanageable or go wrong.
- 08
bad iron
bad luck.