某地区煤系地层中普遍产出硫铁矿，但非常难选。

There commonly exist pyrite minerals in coal-bearing strata in one region, but it is difficult to separate.

youdao

那听起来很简单，但实际上非常难。

That sounds rather simple, but in fact it's very difficult.

《柯林斯英汉双解大词典》

但这段路却非常难走。

But it is very difficult to get there.

youdao

我不了解您讲的有什么可取之处，虽然这种方法可行，但创建一个段落字符串似乎非常因难。

I don't know about you, but while workable, creating a passage string seemed rather difficult.

youdao

工作的时间很长，但这工作并不非常难。

The hours were long, but the work wasn't overly difficult.

youdao

但这是一条非常难走的道路。

But it is very difficult to follow that path.

youdao

但诚实地表达自我，不欺骗自己，能够真正地表达出自己，我的朋友，要那么做非常地难。

But to express oneself honestly, not lying to oneself, and to express myself honestly enough; that my friend is very hard to do.

youdao

这是令美国非常头痛的一个问题，但欧洲和日本可能更加进退两难。

This is a major headache for the U. S., but Europe and Japan arguably face a bigger dilemma.

youdao

这是令美国非常头痛的一个问题，但欧洲和日本可能更加进退两难。

This is a major headache for the U. S., but Europe and Japan arguably face a bigger dilemma.

youdao