prove

証明する、立証する

事実や証拠を使って、あることが正しいと示すこと。

やさしい英語で： To show with facts or evidence that something is true.

• Can you prove it?
• The photos proved that she was there.
• He has proved his ability to solve difficult problems.

使い方： prove that… (The test proved that the water was safe.); prove something to someone (You do not need to prove anything to me.); prove someone/something + adjective (The evidence proved him innocent.)

類義語： demonstrate, establish

反対語： disprove

よく使う表現： prove something, prove a point, prove someone wrong

～だとわかる、～と判明する

特定のものだったり、特定の性質を持っていたりするとわかること。

やさしい英語で： To turn out to be a particular thing or have a particular quality.

• The map proved useful.
• Her advice proved to be correct.
• The repairs have proved more expensive than expected.

使い方： prove + adjective (The task proved difficult.); prove to be something (The house proved to be a good investment.)

類義語： turn out

よく使う表現： prove useful, prove to be, prove difficult, prove wrong