困难的名词英文单词怎么写

　　1

　　他们面对困难表现了坚强的毅力。

　　They showed great perseverance in the face of difficulty.

　　2

　　发现病人呼吸困难。

　　The patient was perceived to have difficulty in breathing.

　　3

　　不断增加的经济困难迫使他采取了铤而走险的办法。

　　His increasing financial difficulties forced him to take desperate measures.