English Dictionary

bad apple

noun

(idiomatic, often in the plural) A person who is not wholesome, honest, or trustworthy, especially one who has an adverse influence on others.

He is a bad apple.

意味（1）

(idiomatic, often in the plural) A person who is not wholesome, honest, or trustworthy, especially one who has an adverse influence on others.

There is one bad apple, and that is Katie, the beautiful prostitute with whom Catcher Bruce is in love. Unlike the cliche harlot of fiction, she is as short of compassion as Bruce is of IQ.