substitute

代用する、代わる

ある人や物の代わりに、別の人や物を使うこと。

やさしい英語で： To use one person or thing instead of another.

• You can substitute milk for cream.
• We substituted cheaper materials to reduce costs.
• Could you substitute for me at tomorrow’s meeting?

使い方： substitute A for B (You can substitute honey for sugar.); substitute B with A (We substituted the butter with olive oil.)

類義語： replace, stand in

よく使う表現： substitute something for something, substitute someone for someone

交代させる

試合中の選手を下げ、別の選手を代わりに出すこと。

やさしい英語で： To take a player out of a game and put another player in their place.

• The coach substituted our goalkeeper.
• He was substituted after twenty minutes.
• Will they substitute the injured player?

使い方： substitute someone for someone (The coach substituted a defender for the injured striker.)

類義語： replace, take off

よく使う表現： substitute a player, substitute someone for someone

代用品

同じ目的のために、別の物の代わりに使う物。

やさしい英語で： Something used instead of another thing for the same purpose.

• This drink contains a sugar substitute.
• There is no substitute for fresh air.
• We found a cheaper substitute for the original material.

使い方： substitute for something (Yogurt is a good substitute for cream.)

類義語： replacement, alternative

よく使う表現： sugar substitute, a suitable substitute, substitute for something

代役、代用教員

教師や選手など、別の人の代わりを務める用意がある人。

やさしい英語で： A person ready to take another person’s place, especially a teacher or a member of a sports team.

• We had a substitute teacher today.
• The team called in a substitute.
• Our substitute taught maths while Mrs Lee was away.

使い方： substitute for someone (We need a substitute for our regular teacher.)

類義語： stand-in, replacement

よく使う表現： substitute teacher, act as substitute, substitute for someone

控え選手、交代選手

試合中にほかの選手と交代するために待機する選手。

やさしい英語で： A player who waits to take the place of another player during a game.

• He started the match as a substitute.
• The coach sent on two substitutes.
• An unused substitute watched the whole game from the bench.

類義語： reserve, replacement

よく使う表現： unused substitute, substitute goalkeeper, come on as substitute