- 困境
- difficult: adj. 1.困难的，(工作等)艰难的。 2.执拗的，顽固的。 a difficult disposition 执拗的性情。 difficult of access 难接近。 difficult to answer 难答。
- difficile: adj. 〔法语〕 困难的；难对付的。
- difficult and complicated case: 疑难病症
- difficiency: 不足，不全
- difficult and complicated illness case: 疑难病症
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