役に立つ
やくにたつ (yaku ni tatsu)
to be useful, to be helpful
expression (godan verb)
Example
この辞書はとても役に立ちます。
このじしょはとてもやくにたちます。
Kono jisho wa totemo yaku ni tachimasu.
This dictionary is very useful.
A common and practical expression used to describe when something is beneficial or serves a good purpose. Often used in business and academic contexts.