他们已承诺那300辆自行车的质量和数量一定与合同规定相吻合。

They've promised to keep both we quality and the quantity of the 300 bicycles in conformity with the contract stipulations.

youdao

他仍然没有履行他关闭关塔那摩港湾监狱的承诺，因为他不知道该如何处理剩下的囚犯。

He has not yet fulfilled his promise to close the prison at guantanamo Bay because he does not know what to do with the remaining inmates.

youdao

你发誓你会带我们去那！现在就发誓！好，你承诺了。不可以后悔！

Swear you'll take us there! Cross your heart! Good, you promised. No backing out!

youdao

It's best if you don't know what that is or even if you do mistakenly attribute it, misattribute it, to physical attraction, romance, intimacy, passion and commitment, it's love.

最好是如果你不知道是什么,甚至如果你错误认定，以为是生理吸引力，浪漫，亲密，激情和承诺，那是爱情。

耶鲁公开课 - 心理学导论课程节选