Was heißt »verbürgen« auf Englisch?

Das Verb »verbürgen« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Religion doesn't guarantee unity.
We guarantee swift implementation of the plan.
Having a college degree doesn't guarantee you'll get a job.
Going to college doesn't guarantee you a good job.
I can guarantee it.
Rote learning might help you to pass exams, but it's no guarantee that you'll really understand the subject matter.
I can't make a guarantee like that.
"Can you cook?" "Yes, I can. But I can't guarantee it'll taste good."
In no way does the fact that a text was written by a native speaker guarantee that it is any good.
Nobility is no guarantee of wisdom.
Tom won't be here tomorrow. I guarantee you that much.
I'll guarantee that you'll enjoy this movie.
I can almost guarantee that Tom won't get here on time.
I guarantee it.
I can't guarantee we'll be able to get the job done by next Monday.
We can't guarantee that.
Even the correct use of participles doesn't guarantee you that you'll be understood.
What guarantee do I have that you'll keep up your end of the bargain?
There is a good number of problems for which the Karush-Kuhn-Tucker conditions are insufficient to guarantee optimality, but this doesn't change the fact that these conditions are an indispensable tool for doing optimization.
There is no guarantee that he'll be back next week.