v.咒骂，诅咒，说脏话，郑重承诺，发誓要，表示决心要，赌咒发誓地说，肯定地说
swear的过去式

原形：swear第三人称单数：swears过去式：swore过去分词：sworn现在分词：swearing

He swore off cigarettes after he saw the body check report.
他看到提交报告后他发誓戒烟
I swear to God I love you.
我向天发誓我爱你。
Mom told her kids not swear and shout to others.
妈妈告诉她的孩子不要骂人和大喊大叫。
I swear I'll never tell anyone your secret.
我发誓我永远不会告诉任何人你的秘密。
He swore to work harder and improve his grades.
他发誓要更加努力学习，提高他的成绩。
She swore allegiance to the flag and her country.
她宣誓效忠国旗和她的国家。
The suspect swore under oath that he was innocent.
嫌疑犯在誓言下发誓他是无辜的。
I swear by this recipe, it always turns out perfect.
我对这个食谱发誓，每次都做得很完美。
He swore profusely when he cut his finger.
他切到手指时咒骂不止。
She swore never to speak to him again after the argument.
争吵后，她发誓再也不跟他说话了。
The witness swore to tell the truth in the court.
证人在法庭上宣誓要讲真话。
He swore to himself that he would quit smoking.
他向自己发誓要戒烟。
They swore an oath of friendship that would last a lifetime.
他们发誓要结为一生的朋友。