重点

1.mess around 胡闹、瞎闹；逍遥自在地做事

Will you stop messing around and get on with some work?

别瞎闹了，干点正经事儿不行吗？

We spent the day messing around on the river.

我们在河边闲逛了一整天。

not mess around 不磨蹭、不拖沓、麻利地做、妥善处理

When they decide to have a party they don't mess around.

他们决定搞聚会，便会迅速操办起来。