Definition: to waste time, often by doing things that are not important Level: C1
别浪费时间了，专心工作！
Stop ___messing ___about and focus on your work!
老师抱怨学生们不学习，反而在浪费时间。
The teacher complained that students were ___messing ___about instead of studying.
他整个下午都在玩手机浪费时间。
He spent the whole afternoon ___messing ___around with his phone.
