7. He swore to obey the king.
他起誓要服从国王。
6. He swore allegiance to the throne.
他宣誓效忠国王。
5. You have sworn to Be faithful to me.
你已立誓对我忠实。
4. She swore me to secrecy.
她要我发誓保守秘密。
3. He was Jack's sworn enemy.
他是杰克不共戴天的敌人。
2. He swore fealty to the king.
1. He swore to revenge himself [to be revenged] on his enemy.
他发誓要向仇敌复仇。
3. swear out
由宣誓而得到
参考例句
2. swear off
发誓不再…,决心戒除
1. swear in
v.使宣誓就职