a black mark的用法和样例：
- The public scandal left a black mark on his career.
- I don't know if the firm will actually sack me for having lost the contract, but it'll certainly be a black mark against me.
- His continual lateness was a black mark against his promotion.
- She earned a black mark for opposing company policy.
- His white lie might have left a black mark on his character.
a black mark的相关资料：