a black mark

意味

a fact that makes people think worse of you

人の評価を下げる事実.

例文

1. 1Missing the deadline was a black mark against him in his first review.
2. 2One rude email left a black mark on her record at the agency.
3. 3Arriving late to the interview was a black mark, even though her answers were excellent.
4. 4Will one failed inspection really be a black mark against the restaurant for years?
5. 5The complaint from a customer is a black mark on Tom's otherwise perfect record.

文法

可算名詞：a black mark、複数形は black marks。後に against か on と、人やその経歴が続くことが多い。