feat of strength

That Harris stood there and endured with a smile was a feat of strength enough to impress anyone.

He is there to support her, but in the end, this is a feat of strength that only she can perform.

She ends up convulsing over a dorm toilet, but the scene plays less like body-horror than a feat of strength.

As part of Saturday’s ceremony, Cheryl narrated a video — a feat of strength, given her condition, that reduced Zimmerman to tears.

In a matter of seconds, the viewer grasps an adorably underpowered, yet persistent, feat of strength.