act up

いたずらする、調子が悪くなる

行儀が悪かったり、正常に動かず不具合を起こしたりすること。

やさしい英語で： To behave badly or cause problems by not working properly.

• The children are acting up again.
• My laptop acted up during the meeting.
• Her knee tends to act up in cold weather.

類義語： misbehave, cause trouble, play up

よく使う表現： act up in class, act up again, act up badly

上位職の職務を代行する

自分より上の役職の人の仕事を、一時的に代わって行うこと。

やさしい英語で： To temporarily do the work of someone with a higher position than yours.

• She is acting up as manager this week.
• Two officers acted up while their superiors were away.
• Will I receive extra pay for acting up?

使い方： act up as someone (She acted up as team leader during his absence.)

類義語： deputize, stand in

よく使う表現： act up as manager, act up a grade