also 役にたつ
- expression, godan verb to be helpful; to be useful
やくにたつ
to be helpful
also 役にたつ
役に立つと思うよ。 I think that would help. #11989000
役に立ったと思う? Do you think it helped? #12710464
多分これが役に立つと思うよ。 Maybe this would help. #9637871
彼は何かの役に立つ。 He is good for something. #109465
あなたの役に立ちたい。 I'd like to help you. #8615810
この道具は実に役に立つ。 This tool is of great use. #220268