bad apple
US /bæd ˈæp.əl/
UK /bæd ˈæp.əl/
1.
害群之馬, 壞分子
a person who creates problems or causes trouble for others in a group
:
•
One bad apple can spoil the whole barrel.
一個害群之馬能壞了一鍋粥。
•
The manager had to fire the bad apple in the team to maintain morale.
經理不得不解僱團隊中的害群之馬以維持士氣。