1.  difficult
2.  hard
3.  man-sized
4.  untoward
5.  tough

• 1. 困难的: difficult | hard | tough | arduous
• 2. 解决困难的: troubleshooting
• 3. 贫苦困难的日子: rainy day

更多释义

• 1.让自己长时间聚精会神是很困难的。
  It is difficult to make oneself concentrate for long periods.
  dict.yoduao.com
• 2.唯一困难的部分是将棉线穿过针眼！
  The only difficult part was threading the cotton through the eye of the needle!
  dict.yoduao.com
• 3.仔细想来，当时处境是很困难的。
  It was a difficult situation, when you think about it.
  dict.yoduao.com

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