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1·It's difficult to tell them apart.

很难把他们区分开来。《牛津词典》

2·Your writing is really difficult to read.

你的笔迹真是难以辨认。《牛津词典》

3·Well, you know, it's difficult to explain.

唉，你知道，这很难解释。《牛津词典》

4·The truth is sometimes difficult to get at.

有时真相很难查明。《牛津词典》

5·It's really difficult to read your writing.

你的笔迹真是难以辨认。《牛津词典》

6·It can be difficult to ascertain the facts.

可能难以查明事实真相。《牛津词典》

7·Some managers find it difficult to delegate.

有些经理认为难以做到知人善任。《牛津词典》

8·She finds it very difficult to get up early.

她觉得很难早起。《牛津词典》

9·The legislation will be difficult to enforce.

这一法规将难以实施。《牛津词典》

10·The house is large and difficult to maintain.

房子很大，难以养护。《牛津词典》