困難的名詞英文單詞怎么寫

　　1

　　他們面對困難表現了堅強的毅力。

　　They showed great perseverance in the face of difficulty.

　　2

　　發現病人呼吸困難。

　　The patient was perceived to have difficulty in breathing.

　　3

　　不斷增加的經濟困難迫使他采取了鋌而走險的辦法。

　　His increasing financial difficulties forced him to take desperate measures.