英語翻譯：

difficult; hard

例句：

1. 這些艱苦的工作使我疲憊不堪。
   I'm worn out by all this hard work.
2. 約翰在他母親剛過世后度過了艱難時(shí)期。
   John passed through a difficult period shortly after his mother's death.
3. 艱苦能讓人適應(yīng)逆境。
   Hardship disposes man to meet adversity.
4. 多年艱苦的勞動(dòng)使他喪失了健康。
   He forfeited his health due to years of hard work.
5. 在困難時(shí)期我們過著艱苦的生活。
   We led a hard life in times of stress.
6. 他們的艱難得到老師的理解。
   Their hardness was understood by the teacher.
7. 那是一段艱難的日子。
   That was a hard time.
8. 生活正在變得越來越復(fù)雜和艱難。
   Life is getting more complex and difficult.