however

然而、不過、可是

The plan sounds risky; however, it may be our only option.

這個計畫聽起來很冒險，不過可能是我們唯一的選擇。

無論多麼、不管多

However hard I try, I can never remember her phone number.

無論我多努力，就是記不住她的電話號碼。

到底怎麼、究竟如何口語

However did you manage to finish the whole report overnight?

你到底是怎麼在一夜之間把整份報告寫完的。

無論以何種方式、不管怎樣

You can arrange the furniture however you like in your room.

你房間裡的家具想怎麼擺就怎麼擺。