Chinese

		to make a determined effort; to make a firm resolution; to work hard	to forget; to overlook; to neglect	eat; food; to feed eat; food; to feed; animal feed
trad. (發憤忘食)		發憤	忘	食
simp. (发愤忘食)		发愤	忘	食

Idiom

發憤忘食

1. to study or work hard, neglecting one's meals; be so immersed in work as to forget one's meals