Don't be a time-waster 不要浪费时间 ; 不要浪费时光
Office Time Waster Champion 办公室无聊扔纸团
Time Waster 浪费时间者
a great waster of time 浪费时间的东西
the waster of time 时间的浪费
N-COUNT If you say that someone or something is a time waster, you mean that they cause you to spend a lot of time doing something that is unnecessary or does not produce any benefit. 浪费时间的人; 浪费时间的事 [表不满]
Surfing the Internet is fun, but it's also a time waster.
上网很有趣，但也是一件浪费时间的事。
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