遇到困难

There is no conceivable reason why there should be any difficulty.

想不出有什么理由可以说明会遇到困。

Those young men are too easily disheartened by difficulties.

年青人遇到困时太容易泄气了。

I’ll help you with your mathematics if you’re stuck.

你要是在数方面遇到困, 我会来帮助你的。