A solemn promise or pledge, esp. one made to God or before God.

许愿；誓愿(尤指在神前发誓愿)

A pledge of love and faithfulness.

(爱情与忠诚的)盟誓。

To promise solemnly.

誓愿；许愿。

To assert solemnly; swear.

发誓；立誓。

To make a solemn promise.

宣誓；许愿。

To declare with emphasis.

郑重声明。