You don't waste time on trifles, and you don't get bogged down in negativity.

你不会在琐事上浪费时间，也不会陷入消极的情绪之中。

youdao

You don't need your whole life planned out, but at least have an idea of what you want to do so you don't waste time and energy applying to jobs you don't really want.

你不必对一生做好计划，但至少要知道自己想做什么，这样就不会把时间和精力浪费去应聘其实并不想要的工作。

youdao

Don't waste your time, or time will waste you.

不要浪费时间，否则时间会把你变成废人。

youdao

Know what you've already tried, don't waste your time trying it again.

记住你已经尝试过的错误，不要再次浪费你的时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

I stress it in particular because I know you're all going to get into this stage; you've got a problem set due in a couple of hours, you're still writing the code, you don't want to waste time, and I'm going to use quotes on "waste time", doing those extra things to do the defensive programming, you just want to get the darn thing done.

我特别强调了这一点,因为我知道你们都会慢慢成为程序员;,你在写代码过程中造成了一系列的错误，你还在写代码，你不想浪费时间，我想把“浪费时间“用引号圈起来，浪费时间来做因为防卫性程序设计，而带来的这些额外的事情,你只想赶紧把程序写完，这不是一个好习惯，因为当你做完回头。

麻省理工公开课 - 计算机科学及编程导论课程节选

The attitude is that "learning itself, anything other than religion won't get you into heaven so don't waste your time".

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"It makes you feel like life is so short that spending it doing things you don't want to be doing is just a waste of time, " Kim said.

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So if the internal fan seems annoyingly loud, or you run into other problems that a quick tech-support call can't resolve, don't waste lots of time on the phone getting fixes particularly if they involve waiting for parts.

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