發狠 [发－]

Jyutping faat3 han2
Pinyin fā hěn

Definitions (Wiktionary)
  1. verb, colloquial
    to make a determined effort
  2. verb, colloquial
    to be angry; to be furious
  3. adj, Xiang
    diligent; hardworking; industrious
    (syn.) 坚苦, 用功, 勤恳, 勤勞, 勤奮, 勤劳, 力落, 骨力, 勤懇, 巴巴結結, 勤快, 耐劳, 刻苦, 勤奋, 亹亹, 勤勉, 巴劫, 勤谨, 勤力, 巴巴结结, 急計, 耐勞, 努力, 勤謹, 堅苦, 急计