So, I'm not going to waste your time by asking what happens if you put it in.

我不会问你们把式子带进去以后怎么算,这完全是浪费时间

耶鲁公开课 - 基础物理课程节选

As an undergrad, you don't have to worry about it, you're just worried about learning.

我们还要造一个新的探测器,这会不会太浪费时间？作为一个本科生,你就不用担心这个了，你可以在上面花时间。

麻省理工公开课 - 化学原理课程节选

I'm not wasting time typing out arguments and implementing more complicated function.

我不会在浪费时间在打印输出参数上,我执行了更复杂的程序。

哈佛公开课 - 计算机科学课程节选

The ones who would conserve energy, that is they were sedentary when possible, other then when they had to go get food would again not waste their calories but would save them and contribute to the gene pool.

那些保存能量的人,那些能躺不坐,能坐不站的人,除非必须再次寻找食物,否则是绝对不会浪费能量的人,也是对基因库有贡献的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选