He's in difficulty with his homework.

他在功课上遇到了困难。

youdao

It has something to do with the difficulty of the activities in question.

这与所讨论的活动的难度有关。

youdao

Memory loss, difficulty in performing familiar tasks, and problems with abstract thinking are all indicators of the beginning of the disease.

记忆力减退、做熟悉的任务出现困难、抽象思考出现问题，这些都是疾病开始的征兆。

youdao

And,he notes humanitarian organizations have great difficulty in reaching them with much needed assistance.

VOA: standard.2009.09.26

This placed Mr. Arafat in difficulty with some segments of his own side, not to mention Arab states that have no interest in a final peace between Palestinians and Israel.

CENTERFORSECURITYPOLICY: It's War -- and the U.S. Better Ensure Israel Wins It

Catalonia is said to be in difficulty, with the largest debts of all the regional governments: 42bn euros.

BBC: Spain's euro woes: Crisis deepens

That latter factor does little to diminish a narrative about Romney's difficulty in connecting with voters.

MSN: Romney goes two-for-two on primary night