decide

決める、決心する

いくつかの可能性を考えて、何をするか決める。

やさしい英語で： To choose what to do after thinking about the different possibilities.

• I decided to stay home.
• Have you decided where to eat?
• They will decide on a date tomorrow.

使い方： decide to do something (We decided to walk home.); decide on something (They decided on a smaller car.); decide whether/what/how… (I cannot decide what to wear.)

類義語： choose, make up your mind

よく使う表現： decide to go, decide on something, decide what happens

判断する、結論づける

物事をよく考えて結論を出す。

やさしい英語で： To reach a conclusion about something after considering it carefully.

• I decided that she was right.
• The judge decided the evidence was reliable.
• We must decide whether this claim is true.

使い方： decide that… (She decided that the explanation was false.); decide whether… (The jury must decide whether he is guilty.)

類義語： conclude, judge, determine

よく使う表現： decide that something, decide whether something, decide someone is

決着をつける、決定する

問題や争いに決着をつける、または勝者を決める。

やさしい英語で： To settle a question or disagreement, or determine who wins a contest.

• One goal decided the match.
• The court will decide the dispute.
• A final vote decided the outcome of the election.

類義語： settle, determine, resolve

よく使う表現： decide a match, decide the outcome, decide a dispute