- 发愤图强 fāfèntúqiáng to work hard for success(idiom) to be strongly determined to work hard and make a country or oneself strong; compared with [[奋发图强|奮發圖強|fen4 fa1 tu2 qiang2]], this emphasizes the initial resolve and determination
- 发愤忘食 fāfènwàngshí to work so hard as to forget to eat(idiom) extremely diligent; so dedicated to one's studies or work as to forget one's meals
- 发愤努力 fāfènnǔlì to work hardto make a determined effort; to push oneself and strive for success