swear vow pledge
She was bursting to announce the news but was sworn to secrecy.
她急不可待想宣布这个消息,但却发过誓要守口如瓶。
—— 柯林斯例句She is tough, unwilling to take no for an answer.
她很强硬,不达目的誓不罢休。
—— 柯林斯例句His girlfriend had gone into the witness box and taken the oath.
他的女朋友进入证人席并立了誓。
—— 柯林斯例句Even his closest allies describe him as forceful, aggressive and determined.
即使他最亲密的盟友也认为他强硬决断、咄咄逼人,不达目的誓不罢休。
—— 柯林斯例句Despite their bitter screen rivalry, off-stage they are close friends.
虽然他们在银幕上是誓不两立的对手,在现实生活中却是至交。
—— 柯林斯例句