她紧紧抓住了我的手臂。

She tightened her ___grip on my arm.

我失去了对文件的紧握，它们都掉到了地板上。

I lost my ___grip on the papers and they fell to the floor.

运动员紧紧抓住了杠铃。

The athlete had a strong ___grip on the bar.