to betray
01
裏切る, 密告する
to be disloyal to a person, a group of people, or one's country by giving information about them to their enemy
Transitive: to betray sb/sth
例
The spy betrayed his country by passing classified information to the enemy.
スパイは機密情報を敵に渡すことで自国を裏切った。
She felt deeply hurt when her best friend betrayed her trust by spreading rumors about her.
彼女は、親友が彼女についての噂を広めることで彼女の信頼を裏切ったとき、深く傷ついたと感じました。
02
裏切る, 明らかにする
to reveal something, such as thoughts, feelings, qualities, etc. unintentionally
Transitive: to betray a thought or feeling
例
Her smile betrayed her nervousness.
彼女の笑顔は緊張を露呈した。
His voice betrayed his excitement despite trying to stay calm.
冷静を保とうとしたにもかかわらず、彼の声は興奮を露呈した。
03
裏切る, 見捨てる
to abandon or fail someone, especially during a crucial or difficult moment
Transitive: to betray sb
例
In her moment of need, he betrayed her by walking away without offering any help.
彼女が必要としている瞬間に、彼は何の助けも提供せずに去ることで彼女を裏切った。
The company betrayed its employees by laying them off during the crisis.
会社は危機の際に従業員を解雇することで彼らを裏切った。
04
裏切る, 漏らす
to reveal or share information that was entrusted to you in confidence, breaking trust or secrecy
Transitive: to betray sth
例
It was a breach of trust when he betrayed the company's secrets to a competitor.
彼が会社の秘密を競争相手に裏切ったとき、それは信頼の侵害でした。
Her best friend betrayed her trust by revealing the surprise party plans.
彼女の親友はサプライズパーティーの計画を明かすことで彼女の信頼を裏切った。
05
裏切る, 浮気する
to cheat on one's spouse or romantic partner
Transitive: to betray sb
例
He betrayed his wife when he started an affair with a coworker.
彼は同僚と不倫を始めたとき、妻を裏切った。
He felt like his entire world had crumbled after learning that she had betrayed him.
彼は、彼女が自分を裏切ったことを知った後、自分の世界全体が崩れ去ったように感じた。
