1. 浪费时间：may as well还不如 | mess about浪费时间 | They messed about on the beach most of the summer.夏天的大部分时间他们都在海滨闲混.

2. [口]胡乱摆弄; 瞎混; 瞎忙; 胡闹, 粗鲁对待某人, 动手动脚：make a mess of 把...弄糟[搞坏]; 把...搞得一塌糊涂 | mess about [口]胡乱摆弄; 瞎混; 瞎忙; 胡闹, 粗鲁对待某人, 动手动脚 | mess around [美俚]浪费时间, 混乱; 管闲事

3. 胡闹,瞎搞,乱摆弄;无所事事,鬼混：What a mess! 真够脏乱的! | ①mess about 胡闹,瞎搞,乱摆弄;无所事事,鬼混 | eg: They mess about in the club most of the summer. 夏天的大部分时间他们都在俱乐部闲混.

4. 胡闹,瞎搞,乱摆弄;无所事事,鬼混;粗暴地对待：7. The fur collar mats when it gets wet. 毛皮领子弄湿了就会缠结起来. | 1. mess about 胡闹,瞎搞,乱摆弄;无所事事,鬼混;粗暴地对待 | 2. mess around v. 浪费时间

verb

1. be about

e.g. The high school students like to loiter in the Central Square
Who is this man that is hanging around the department?

Synonym: loiterloungefootlelollygagloaflallygaghang aroundtarrylingerlurkmill aboutmill around