Jill crossed her legs and rested her chin on one fist, as if lost in deep thought.

吉尔两腿交叉，下巴抵在拳头上，似乎陷入了沉思。

《柯林斯英汉双解大词典》

While still one fist can draw a knife.

仍余一个拳头能紧握刀锋。

youdao

As a result, one fist remained idle while the other was tired out with fighting, and we failed to win the greatest victory possible at the time.

那时的结果是一个拳头置于无用，一个拳头打得很疲劳，而且没有当时可能取得的最大胜利。

youdao

You make a fist with one hand and,with the other hand, deliver upward thrusts into the victim's abdomen.

VOA: standard.2010.02.23

Over the course of six exchanges, the men's 3-meter synchronized springboard diving team of Troy Dumais and Kristian Ipsen traded one fist pound, one hug and one high five between dives.

WSJ: Group Hug: Which Olympic Sport Wins Gold for Touchiest?

No one knew about that but professional stock photographers, but iStockphoto was bringing in money hand over a fist one dollar at a time, a price drop of 99%.

FORBES: Names You Need To Know: Jeff Howe

The Wizard of Westwood is candid about his own shortcomings, one of which was a fist-fighting temper in his early days.

FORBES: Magazine Article