He addressed himself to the main difficulty.
他着手解决主要的困难。

He would always give a hand to anyone in difficulty.
他总是给任何有困难的人提供帮助。

When I am in difficulty he kindly comes to my assistance
我遇到困难时, 他好心地来帮助我

Not only in medicine, but in other professions as well, practitioners may find themselves repeatedly in difficulty where serious consequences seem avoidable only through deception.
不仅在医学领域，在其它行业也一样，从业者会一再地陷入困惑之中：似乎只有通过谎言才能避免严重的后果。

As a League branch secretary, you're supposed to help the students when he is badly in difficulty.
作为团支部书记，你应该在同学最困难的时候帮助他。

Biomechanics Research on Connection Technique in Difficulty of Movement of Nanquan Wushu Routine
南拳难度动作连接技术的生物力学分析

provide loans with part of interest borne by the state to help enterprises in difficulty to meeting their payrolls
企业解困工资性贷款贴息

The thermal decomposition recycling has certain difficulty, the expense is also high.
热解回收有一定的难度，费用也较高。

It goes without saying that we should help a comrade in difficulty.
同志有困难当然要帮助。

The main difficulty lies in word second tone and third tone of confusion.
单字调的主要难点在于阳平与上声的混淆。

Though he looked cold and stern, he is very considerate. He always tries his best to help those in difficulty.
他表面虽然冷厉，却有一颗体贴的心，总是尽全力帮助有困难的人。

Courage exert itself in difficulty.
难中显勇敢。

to persist in an action despite the likelihood that it will result in difficulty or punishment
坚持某一行为，尽管这一行动将可能导致困境或惩罚

To stammer and speak in difficulty
讷讷难言

stick together in difficulty
风雨同舟共渡难关

The examinations should vary in difficulty.
考试难易要有梯度。

He's in difficulty with his homework.
他在功课上遇到了困难。

The questions in the exam vary in difficulty.
试题中问题的难度不一样。

When I am in difficulty, I always turn to him for help.
我有困难时总是找他帮忙。

Lack of funds is the main difficulty that faces them.
他们面临的最大困难是资金不足。

When you are in difficulty, you may ask for her help.
你有困难时，可以找她帮忙。

The factory is in difficulty since its loss have outweigh the profit.
该厂亏损超过利润, 处境困境。

Do not hesitate to turn to us if you are in difficulty.
你要有困难，尽管来找我们好了。

We should have sympathy for people in difficulty.
我们对处于困境中的人们要有同情心。

The main difficulty was failure of refractories at high temperature.
其主要的困难是高温下耐火材料的损坏。