It was a very difficult decision to make.

这是个非常难作的决定。

《柯林斯英汉双解大词典》

He was going through a very difficult time.

他在经历一段非常艰难的时期。

《柯林斯英汉双解大词典》

Question 3 was very difficult.

第3题难极了。

《牛津词典》

"The ambiguity that's in those answers is very,very difficult for humans to understand, never mind a computer to understand.

VOA: special.2011.02.28

So I started to talk to the VCs and asking for $10 million at a very, very difficult time in Internet history.

就在互联网历史上最艰难的时期，我开始跟风险投资商接洽，向他们要1000万美元。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

it's very difficult when one is so articulate and is able to express exactly what you want to say,

当一个人已经熟谙一门语言，能够用这门语言清楚明白地表达意思，

想学好英语吗？ - SpeakingMax英语口语达人

"It's very difficult to predict where and when these landslips are going to happen, " he said.

BBC: Dorset coast path collapse: 'Massive' cliff fall near Durdle Door - BBC News

It will be very difficult for us to ever get profits like those at American companies.

FORBES: Godzilla Needs Batteries

She has the ability to make anything fun and finds it very difficult to sit still.

CNN: Cancer can't stop teen singer's music