It was a complete waste of time, unless the goal in life was simply to pester the user for some input.

刚才的时间就完全浪费了，除非那个唯一的目的,是简单地纠缠用户索要一些输入。

哈佛公开课 - 计算机科学课程节选

And your boss can ask you, "Will you be able to complete these tasks on time?"

你的老板可能会问你，“你能准时交付这些任务吗？”

I think 课堂 - SpeakingMax英语口语达人

So these moments of landscape description offer up that consistently Christian-inflected theory of the universe, that sense of transcendence as structure, as something that's moving inexorably, that will take all time to complete.

通过这些景象的描述,我们可以看到一种,一直受到基督教影响的,关于宇宙的理论，这种理论以超自然的感觉为主体，就像一些不为人的意志而转移，需要我们穷其一生去完成的事。

耶鲁公开课 - 1945年后的美国小说课程节选

So, now I hope you have in your mind a picture of the way the Greek world had expanded by the time this wave of colonization was complete--pretty complete, sometime in the seventh century B.C.

希望现在你脑海中有一幅,那时候希腊世界扩张的地图,在公元前七世纪的某一阶段,形成了一个完整的殖民浪潮,相当完整

耶鲁公开课 - 古希腊历史简介课程节选

The last one that we saw was a complete waste of time.

我们看的上一部这种电影完全是浪费时间。

There is no 实战 - SpeakingMax英语口语达人

I can't help thinking this is a complete waste of time.

我忍不住在想，这完全是在浪费时间。

I can't help but 实战 - SpeakingMax英语口语达人