役に立つ (Yakunitatsu) is a Japanese expression meaning “to be helpful, to be useful”.
Meanings
- expression, godan verbto be helpful; to be useful
Examples
彼は何かの役に立つ。
He is good for something.
馬は役に立つ動物です。
Horses are useful animals.
鉄は金より遥かに役に立つ。
Iron is much more useful than gold.
Sentences from Tatoeba (CC BY 2.0 FR).