“Indignant” in Chinese is 愤 (fèn).
Other characters with the syllable fen: see all 12 →
当我忘记约定时,他十分愤怒。
When I forgot my promise, he got really angry.
From 愤怒 · Example sentence from Tatoeba (CC BY 2.0).
12 strokes
Learning HSK 6? Save 愤 and track your progress — free.