off colour, off-colour (UK), off color, off-color (US)adjadjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house."
informal, figurative (joke, etc.: obscene, in bad taste)
有点污的
有点下流的
备注: A hyphen is used when the adjective precedes the noun
The joke was a little off color. Jim is known for telling off-colour jokes.
Collins Chinese Dictionary Plus (3rd edition), 2011:
off-colour ['%f'k^l&*] (Brit) adj (=ill) 身体(體)不舒服的 shēntǐ bù shūfu de