also 役だつ
- godan verb, intransitive to be useful; to be helpful; to serve the purpose
やくだつ
to be useful
also 役だつ
彼の忠告は非常に役立った。 His advice was very helpful. #116518
スポーツは筋肉の発達に役立つ。 Sports help to develop our muscles. #214335
この辞書は私に大いに役立った。 This dictionary has been of great use to me. #221503
銃の役立つ時が来るかもしれない。 A gun might come in handy. #997163
トムの役立たず! Tom's useless! #10489115
トムは役立たずだ。 Tom is useless. #10489107