How could he command his friend to undergo such an ordeal simply because of some vague suspicions regarding Seven?

Patients really have to undergo an ordeal, and not everyone can deal with these situations.

I will not permit a minor in my charge to undergo such an ordeal.

The sag of The Shadow's body told that he had undergone an ordeal.

Lanrezac thought no army ever underwent such an ordeal as his.

Never before had Harry undergone such a terrible ordeal.

So Virginia is about to undergo an ordeal that could well lead to her death.

Fortunately for Alvara, he had not undergone a sustained ordeal.

To prove themselves fit to "join in the cause of humanity," the tyros had to undergo an ordeal.