您要查找的是不是：
- 难problem
- 为难make things difficult for
- 善待be kind to
- 难的hardy
- 很难very difficult
- 善行benignity
- 两难be in a dilemma
- 多愁善感的moonstruck
- 难过的sorry
- 亲善goodwill
- 乏善可陈of inadequate achievement
- 难看的malformed
- 善有善报One good turn deserves another.
- 不难It's no big deal.
- 万事开头难It is the first step that costs troublesome
- 至善supreme good
- 难耐intolerability
- 善辩plausibility
- 大难catastrophe
- 善於be good at
