vowed造句

I solemnly vowed that someday I would return to live in Europe.
我郑重发誓,总有一天我将回到欧洲生活。

"I'll kill him," she vowed.
“我要宰了他,”她发誓说。

He vowed quite solemnly that he would carry out his promise.
他非常庄严地发誓要实现他的诺言.