孜し々し営えい々えいじ字FuriganaAudioMeanings1taru-adjective, adverb taking the 'to' particleassiduously; with unremitting zealRare literary four-character compound describing diligent, tireless effort. Often used in formal or written contexts.彼かれは孜し々し営えい々えいと研けん究きゅうに励はげんだ。Break this sentence down in the analyzerHe devoted himself assiduously to his research.
