他们保证全力支持我们。

They have promised to back us to the hilt.

《牛津词典》

医生可以向他们保证没有什么问题。

Doctors can assure them that there's nothing wrong.

youdao

他们保证到下星期完成全部工作。

They promised that the work would all be finished by next week.

youdao

is to see through the group of human rights, if there are certain levels of social justice that we can ensure for every last person simply because they are human.

它提出要看到所有这些人权的本质，如果存在不同层次的社会正义,我们就要保证每个人获得某种程度的正义,就因为他们是人。

普林斯顿公开课 - 人性课程节选

Maybe other principles of hermeneutics will place much more stress on innovation or novelty or difference, but you're not sure people can understand unless they share a great deal of common ground."

也许诠释学的其他原则更强调,创新，独树一帜，与众不同，但你不能保证人们都能理解,除非他们有很多相同之处“

耶鲁公开课 - 文学理论导论课程节选

So how should we go about investing in them in terms of ensuring they have literacy skills?

如何保证他们拥有更高的文化素养,以使他们为社会做出更大贡献呢？

麻省理工公开课 - 媒体、教育、市场课程节选