trifle with
phrasal verbtrifle with somebody/something
- (formal) (used especially in negative sentences) to treat somebody/something without real respect
怠慢；小看 - He is not a person to be trifled with.
他这个人怠慢不得。 - You should not trifle with someone's affections.
你不应玩弄别人的感情。
- He is not a person to be trifled with.