difficult problem 困难的问题 ; 难点问题
big and difficult problem 老大难 ; 老大难”
a difficult problem you solved 你解决的难题
attempt a difficult problem 试着解答难题
the problem is difficult 这个问题很难 ; 这问题是很难
The problem is too difficult 这个问题太难了 ; 问题太难了
Very difficult problem 很头痛的问题
Particularly difficult problem 特别难的题
Problem is too difficult 问题太难了
I meet a problem difficult to solve.
我遇到一个难以解决的问题。
It is a problem difficult to solve.
这是一个难解决的问题。
It is a problem difficult to work out.
这是一个难以解决的问题。
But for people who have a difficult time controlling their movements, this little navigational issue can be a really big problem.
VOA: special.2011.04.18
It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.
这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。
Well, I talked about the problem of using plasmids in gene therapy, that it's very difficult to get them into cells.
我们之前讨论过,基因治疗中运用质粒的问题,质粒本身极难进入细胞
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