她紧紧抓住了我的手臂。

She tightened her ___grip on my arm.

然后我突然松开了对纸张的抓握，它们全都掉到地板上，堆成一团。

Then suddenly I lost my ___grip on the papers and they all dropped to the floor and landed in a great heap.

他紧紧握住方向盘。

He has a firm ___grip on the steering wheel.