你们都知道我为什么来这儿，因此我就不浪费时间作介绍了。

You all know why I am here, so I won't waste time on preliminaries.

《柯林斯英汉双解大词典》

我不知道我干吗要浪费时间！根本没人听！

I don't know why I bother! Nobody ever listens!

《牛津词典》

他们或许真的给了我很多零用钱，但我开始觉得我是在浪费我的时间和他们的金钱。

Perhaps they give me really a generous allowance, but I am beginning to feel that I'm wasting my time and their money.

youdao

Okay. I'm going to start even though it's still in flux here 'cause I don't want to lose my time.

好的，我又要开始讲了,尽管大家还没坐定,但是我不想浪费时间。

耶鲁公开课 - 1945年后的美国小说课程节选

And I am not going to take the time to solve it because I think that is a waste of class time, but those are the three unknowns.

但我并不打算把解这几个方程,我觉得那会是浪费课堂时间，但那是三个未知式。

麻省理工公开课 - 固态化学导论课程节选

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