| be helpful | Any of these books will be helpful to you. |
| be helpful | He works too slowly to be helpful to us. |
| be helpful | This book will be helpful to your study. |
| 役に立つ | [やくにたつ, yakunitatsu] (v5t) to be helpful; to be useful; (P) #7,498 [Add to Longdo] |
| 役立つ(P);役だつ | [やくだつ, yakudatsu] (v5t, vi) to be useful; to be helpful; to serve the purpose; (P) #11,883 [Add to Longdo] |
| 力になる | [ちからになる, chikaraninaru] (exp, v5r) (See 力・ちから・6) to be helpful; to be dependable [Add to Longdo] |