mess around
phrasal verbmess around
(British English also mess about)
to behave in a silly and annoying way, especially instead of doing something useful 胡闹；瞎闹 Will you stop messing around and get on with some work? 别瞎闹了，干点正经事儿不行吗？ I messed around in my first year at college. 我大学第一年混日子。
to spend time doing something for pleasure in a relaxed way 逍遥自在地做事
mess somebody around
(British English also mess somebody about)
- (British English)
to treat somebody in an unfair and annoying way, especially by changing your mind a lot or not doing what you said you would 粗鲁地（或轻率地）对待 I’m sorry to mess you about but there are a few last-minute changes. 很抱歉打扰你，但有几个最后一刻的变化。