我怎么知道英文翻译为：How should I know?

how：adv.怎样;如何（后接形容词或副词）多少，多么，多大。

扩展资料

How much water do you need?

你要多少水？

How long can a human being go without sleep?

人不睡觉能活多久？

It's fascinating to see how different people approach the problem.

看到不同的人怎样处理这个问题真是有趣极了。