a bad egg

US /ə bæd ɛɡ/

UK /ə bæd ɛɡ/

壞蛋, 不誠實的人

a person who is dishonest, unreliable, or behaves badly

•

Be careful with him; he's a bad egg.

小心他；他是個壞蛋。

•

The new employee turned out to be a bad egg, always causing trouble.

新員工原來是個壞蛋，總是惹麻煩。