However 同 Nevertheless

however : 不過
nevertheless: 話雖如此

eg:
However he tries, he never seems able to work satisfactorily.
不管他怎麼努力,他好像總不能令人滿意地工作。

即:他不用浪費時間la

如果是nevertheless的話:
Nevertheless he tries, he never seems able to work satisfactorily.
雖他很努力,他好像總不能令人滿意地工作。

即: 他已經浪費好多時間去努力

however意思較強烈

however

conj.
1. 然而,可是,不過
I feel a bit tired. However, I can hold on.
我有點累了,但我能堅持下去。

ad.
1. 無論如何,不管怎樣
However hot it is, he will not take off his coat.
無論多熱,他也不會脫掉外衣。

2. 不管用什麼方法
However he tries, he never seems able to work satisfactorily.
不管他怎麼努力,他好像總不能令人滿意地工作。

3. 究竟怎樣,到底如何
However did you know that?
你到底怎麼知道那件事的?








nevertheless

ad.
1. 仍然,不過,然而
She was angry; nevertheless, she listened to me.
她很生氣,但還是聽了我的話。

We can't act on your advice. Nevertheless, thank you for giving it.
我們不能照你的建議去辦。不過承蒙您提出來,十分感謝。