当我发现他参与了这件事时，我不知道该如何惩罚他才好：他是一个蜘蛛网，一抓就要使他消亡。

I was embarrassed how to punish him when I discovered his part in the business: he's such a cobweb, a pinch would annihilate him.

youdao

我不知道该如何解释发生的事情。

I have no explanation for what happened.

youdao

是的，我不知道该如何应对这项工作。

Yes, I'm not sure how I'm going to cope with the work.

youdao

And I don't know how to see my way through.

我也不知道该如何解开这些疑团。

耶鲁公开课 - 死亡课程节选

I held off for a very long time, but I just got mine a month ago. And now I don't know how I live without it.

我拖了好长时间，一个月前才买的。而且现在我不知道离开它该如何生活。

没有智能手机活不了 - SpeakingMax英语口语达人

I've gotten what there is to get out of them.

我知道该如何欣赏它们。

耶鲁公开课 - 死亡课程节选