difficult
It must be difficult to play various personae in the same movie.
在同一个电影中扮演不同的角色肯定不容易。
Navigation is difficult on this river because of the hidden rocks.
因为河上有暗礁，所以在这条河上航行很困难。
It was difficult to tell his exact age.
很难判断他到底多大岁数。
It is difficult to express it in terms of science.
要用科学的字眼来表达它是很困难的。
It was difficult to gauge how people would respond.
大家的反应如何难以估计。
She handled a difficult argument skilfully.
她巧妙地应付了一场艰难的辩论。
It is often difficult to forbear from expressing one's opinion.
克制自己不发表意见常常是很难的。
He find it difficult to give shape to his idea.
他觉得很难把他的想法，明确表达出来。
It is difficult to decide between the two opinions.
在这两种意见之间抉择是困难的。
It is difficult to keep on terms with such a man.
很难和这样的人保持友好关系。
It is difficult to stamp out all the crimes.
很难把所有的犯罪都消除掉。
It's difficult raising a family on a small income.
依靠微薄的收入是很难养家的。
He is unable to do such a difficult job now.
他现在还不能做这样困难的工作。
She can play the most difficult piano music by ear.
她能不看乐谱，光凭听觉记忆弹奏最难的钢琴曲。
The past month has been a difficult one for him.
上个月他很困难。
The stain on his shirt is difficult to clean off.
他衬衣上的污点很难去除掉。
She fended off the difficult questions skilfully.
她巧妙地避开了那些不好回答的问题。
How did you manage to steer by that difficult question?
你是怎样设法回避了那个棘手的问题的？
It was difficult to clamber the mountain.
爬上那座大山是困难的。
Eels are long and difficult to catch.
鳝鱼很长而且很难抓住。
The problem is considerably difficult to us.
对我们来说这个问题相当难。
He is hardly capable of executing such a difficult task.
他仅能勉强地完成这样艰巨的任务。
Respiration is difficult at great heights.
在很高的高原上呼吸很困难。
The difficult question tripped him.
这个难题他回答错了。
It promised to be a difficult job.
看来这是一项困难的任务。
She was sent abroad on a difficult assignment.
她被派出国执行一项艰巨任务。
The child is going through a difficult phase.
那孩子正经历困难的阶段。
It is difficult to be natural when one is tense.
人在紧张的时候很难泰然自若。
He showed great composure in difficult situations.
他在困难环境中表现得极沉着。
It's difficult to recruit teachers of quality.
要聘请到素质好的老师是很困难的。
I know from my own experience how difficult the work can be.
从我自己的经验我明白这项工作会有多难。
It's difficult to get spare parts for old washing-machines.
旧洗衣机的配件已很难弄到。
The geography paper was difficult.
地理试题很难。
Some people tackle the difficult jobs first.
有的人爱先做难做的工作。
This sentence is difficult to construe.
这个句子很难翻译。
This task is extremely difficult.
这项任务极其困难。
You place me in a very difficult position.
你使我非常为难。
I feel that geometry is a difficult subject.
我认为几何是一门难学的课程。
I find German grammar very difficult.
我发现德语语法很难学。
He found it difficult to stop smoking.
他觉得戒烟是件难事。
It is difficult to breathe at these altitudes.
在这些高的地方很难呼吸。
It proved difficult to disguise his anxiety.
他的焦虑难以掩饰。
It was a difficult task, but we brought it off.
那工作很困难，但是我们圆满完成了。
He put over a difficult business deal.
他完成了一次很困难的交易。
He took office at a difficult time.
他是在困难时刻就职的。
He was a difficult man to deal with.
他是个很难对付的人。
She's a difficult person to pin down.
她这人行事、说话没个准儿。
The boss forced this difficult task upon him.
老板强迫他做此难事。
The forces of reaction made reform difficult.
反动势力给改革造成了困难。
His work is difficult to label accurately.
他的工作很难准确归类。