however
01
然而, 不过
used to add a statement that contradicts what was just mentioned
例子
He expected the task to be difficult; however, it turned out to be surprisingly straightforward.
02
然而, 不过
used to indicate contrast or contradiction
03
然而, 无论多少
no matter how much or to what extent
例子
However long it takes, I'll wait for you.
无论需要多长时间，我都会等你。
however
01
无论怎样, 不管用什么方法
in whatever way
例子
However carefully you follow the instructions, mistakes can still happen.
然而，无论你多么仔细地遵循指示，错误仍然可能发生。
