助たすけになる

expression, godan verb (-ru)

be helpful; come in handy; be of use

Describes something or someone that proves useful or provides assistance in a situation. Often used when something unexpectedly helps or when a resource turns out to be convenient.

• このアプリは旅りょ行こうの計けい画かくに助たすけになる。

  This app is helpful for planning trips.

• 彼かれのアドバイスがとても助たすけになった。

  His advice was really helpful.