解决困难的英文：
challenge

参考例句：

It was the fault of that blockhead Pastrini, that I did not sooner assist you in your distress.
“这都是那个糊涂的派里尼不好，以致我不能随时帮助你们解决困难。

untie a difficulty
解决困难

a profitable meeting to resolve difficulties.Something
有利于解决困难的会议。

They are grappling with the difficulties
他们在尽力解决困难。

I eased him (of his difficulty) by telling him what to do.
我告诉他怎么做，帮他解决困难。

They are trying to worry out an answer to the difficulty.
他们在试图绞尽脑汁，找出解决困难的办法。

He thought out a good way to overcome the difficulty.
他想出了一个解决困难的妙法。

Ben could always count on his sister to help him out of trouble.
本总是会依赖他的妹妹帮他解决困难。

Regulars at his local bar have set up a fund to help out.
他的当地酒吧的常客们已经设立了一项基金来帮忙解决困难。

challenge是什么意思：
n. 挑战；怀疑；艰巨的任务
v. 向...挑战；反对；需要；要求；刺激；激发

challenge to the array
对陪审团的组成表示反对或提出异议|要求全体陪审员回避或更换

To challenge to a duel.
挑起斗争

Do you have the balls to challenge authority?
你有挑战权威的胆量么？

This examination is a real challenge.
这次考试是一次真正的挑战。

His challenge draws no reply.
他的挑战没有引出回答。