however
adv. 然而，可是，不过；无论如何；（用于表示惊讶）究竟怎样；……左右，……上下
conj. 不管怎样，无论如何；然而，可是
例句
On one issue, however, she was immovable.
然而，就一点而言，她态度是坚决的。
《柯林斯英汉双解大词典》
However, traders tended to discount the rumour.
但是，商人们倾向于不理会这个传闻。
However, he underestimates the scale of the problem.
然而，他却低估了问题的严重性。
