however/haʊˈevə(r)/
adv.1. 无论如何;不论到什么程度He can answer the question however hard it is.不管问题有多难他都能回答。
However did you get here?你是怎么到这里来的?
2. 不过;然而He hasn't arrived. He may, however, come later.他还未到,不过,他可能过一会儿来。
I'd like to go with you; however, my hands are full.我很想和你一块儿去,可是我忙不过来。