indecent neither fish, flesh nor fowl neither one thing nor the other are not this and not that
Her friends are all pretty unsavoury characters.
她的朋友尽是些不三不四的人。
—— 给力词典精选He often hangs around with some dubious characters.
他常常和一些不三不四的人鬼混。
—— 给力词典精选Mahmoud Ali would only make silly rude jokes about the party.
马蒙德·阿里虽然在,却只管说些不三不四的笑话来揶揄、奚落那伙人。
—— 辞典例句I observe that you have an attachment to low and common company.
我注意到:你专爱和不三不四的人在一块。
—— 辞典例句Tell them not to mix with doubtful company.
让他们不要和不三不四的人来往。
—— 辞典例句