off-colour
adjective UK (US off-color) uk/ˌɒfˈkʌl.ər/ us/ˌɑːfˈkʌl.ɚ/
(ILL)
[ after verb ] informal稍有不适的,略感不舒服的
slightly ill
I'm feeling a bit off-colour today. 今天我觉得有点不舒服。
(SEXUAL)
(言论或笑话)有伤风化的,下流的
Off-colour remarks or jokes about sex are about sex and are slightly shocking.