我的意思是，我可以采取一些谨慎的措施，但最终，我不能保证自己（不会患病）。

I mean, there are some cautious steps I can take, but ultimately I cannot guarantee myself that.

youdao

这是真正的倾盆大雨——雨小的时候雨伞还能挡挡雨，但如果是大暴雨，它就不能保证你不被淋湿了。

This is real rain—your umbrella may protect you in a shower, but it won't keep you dry if there is a full rainstorm.

youdao

展示并不能保证你的成功，但反过来说，如果你不会展示，那么你绝不会成功。

Showing up doesn’t guarantee success, but rest assured if you don’t show up, you won’t succeed.

youdao

But, it doesn't guarantee it, because absent further argumentation, there's no guarantee that the soul survives the death of the body.

但这不能保证,由于缺乏进一步的论证,我们无法保证,在肉体死亡后灵魂仍然存活

耶鲁公开课 - 死亡课程节选

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

There were words in there--they said something--of course, we cannot guarantee that they won't go up in value but historically they have always done it or something like that.

他们在文中吹嘘...当然,我们不能保证金币不会升值,但金币的历史行情趋势始终向上

耶鲁公开课 - 金融市场课程节选