how

How do you spell your name?.你的名字怎么拼写？

How can I help you?.我怎么帮你？

I’d like to help in some way, but I’m not sure how..我想帮点忙，可不知道该怎么做。

He explained how the system worked..他讲解了该系统是如何运转的。

We both used to work at the airport – that’s how we met..我们俩都曾经在机场工作过，我们就是这么认识的。

advice on how best (= the best way ) to invest your money.如何以最好方式进行投资的建议

They had a number of suggestions as to how the service could be improved..他们有一些关于如何改进服务的建议。

This still leaves the question of how local services should be funded..这仍然没有解决如何为地方公共服务业提供资金的问题。

the how of it.

and how,正确；（美）非常

how do,如何做

how to do,如何做；怎样做

how do i,如何；怎么办；如何做

how do you do,你好

how so,为何如此？