I made a solemn promise that I would return.

我郑重承诺我会回来的。

《牛津词典》

Aunt Fannie gave me a coin and then made me promise that I would never spend it.

范妮姨妈给了我一枚硬币，然后让我保证永远不会花掉它。

youdao

Harris said that it was simply part of his job, "When I joined the army, I made a promise to protect the people, which also means protecting the dreams of a child."

哈里斯说，这只是他工作的一部分，“当我加入军队时，我承诺要保护人民，这也意味着要保护一个孩子的梦想。”

youdao

"I made a promise that I would not sell Scott and I will not, for any amount of money, break that promise to the West Ham supporters, " he said.

BBC: West Ham reject bid from Tottenham for Scott Parker

In the campaign last year, you all remember, I made a promise to pass it.

WHITEHOUSE: President Signs Bill to Expand Veteran Benefits

When I got back in bed, I made myself promise never to think of the letters again.

NPR: Chapter 1