step up

責任を引き受ける、進んで行動する

必要なときに責任を引き受けたり、自ら助けを申し出たりする。

やさしい英語で： To take responsibility or offer help when it is needed.

• Someone needs to step up.
• She stepped up to lead the team.
• Will you step up and take responsibility?

使い方： step up to something (She stepped up to the challenge of running the team.); step up to do something (Several neighbours stepped up to help.)

類義語： take responsibility, volunteer, come forward

反対語： shirk responsibility

よく使う表現： step up now, step up and help, step up to lead

強化する、増やす

物事の量や強さ、水準を高める。

やさしい英語で： To increase the amount, strength, or level of something.

• We need to step up our efforts.
• Police stepped up security at the station.
• The factory has stepped up production to meet demand.

使い方： step something up (The company stepped production up before the holidays.)

類義語： increase, boost, intensify

反対語： reduce, decrease

よく使う表現： step up efforts, step up production, step up security