helpful

役に立つ、親切な

物事を楽にしたりよくしたりする、または進んで人を助ける。

やさしい英語で： Making something easier or better, or willing to support someone.

• Your advice was helpful.
• The shop staff were very helpful.
• Was the explanation helpful to you?

使い方： helpful to someone (This guide is helpful to new students.); helpful in doing something (The map was helpful in finding the station.)

類義語： useful, supportive

反対語： unhelpful

よく使う表現： helpful advice, helpful to someone, helpful staff