He'd been surprised by her strength as she broke his grip.

She managed to break his grip on her arm, but not in time to keep herself from going down hard.

She would find a way to break the serpent's grip.

I leaned forward as if trying to break her grip.

He used both hands to break Eugene's grip, then turned his attention to the woman.

The professor tried to break Tom's grip on his arm.

With all his great strength he fought to break the other's grip.

It broke his grip on her arm, sent him back a couple of steps.

She tried to pull back, but was unable to break his grip.

But still he could not break the other's grip.