不要因为深陷于嫉妒中而浪费了你的时间。

Don't waste your time being eaten up with envy.

《柯林斯英汉双解大词典》

不要浪费时间去探索你没有什么能力的技能领域。

Don't waste time exploring skill areas where you have little competence.

youdao

无论你做什么，不要浪费时间探寻你的愤怒想法。

Whatever you do, don't waste the time pursuing your train of angry thoughts.

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