单词提示：
nasty adj. 令人不愉快的；bitterness n. 痛苦
答案：I think of my father when I complain about trifles, when I am envious of another's good fortune, when I don't have a "good heart".
本句节选自《A Good Heart to Lean on》
总结：
1. Whenever I complain about the trifle, envy other's luck, lose my kindness, I'll think about my father.
2. Every time when i complain for trivial things, for my envying of other's luck, and for my lack of "kindess", i will remind of my father.
责任编辑：wangpeng6151
