1. The first step is the only difficulty. 迈出第一步是最贫穷困难的。
2. No difficulty, no fun. 无难事，便无乐趣。
3. Reverse and difficulty will raise your courage. 困难和挫折将增加你的勇气。
英英解释
n.
1. an effort that is inconvenient
2. a factor causing trouble in achieving a positive result or tending to produce a negative result
3. a condition or state of affairs almost beyond one's ability to deal with and requiring great effort
4. the quality of being difficult
