Don't idle away your precious time.

别闲磨大好时光！

《新英汉大辞典》

Nobody should idle away his precious time.

人人都不应该虚度宝贵的时光。

youdao

I used to idle away the hours watching TV.

我过去经常把时间浪费在看电视上。

youdao

They instinctively know that coffee houses are special places, where you can happily, and productively, idle away an entire day.

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Idle away the afternoon by exploring the narrow sois (side streets) of Rattanakosin, the old city, or Yaowarat, Bangkok's Chinatown.

WSJ: Insider's Guide to Bangkok | Journal Concierge

Traffic jams idle away almost 3 billion gallons of gas a year and accounts for 26 million extra tons of greenhouse gases.

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