Holtrust screamed in agony, pounding on the side of the car with his free hand.

霍尔·特拉斯特痛苦地叫着，一只空着的手使劲拍打着汽车的侧面。

youdao

A shaking fist or a slicing gesture with one or both hands help emphasize a message. So does pounding your fist /into/ the palm of your hand.

你可以通过使用适当的手势来强调你要说的话，一只摇动的拳头、一只或两只手、一个切下去的手势都有助于强调信息，还有一种将拳头击手掌的手势也可起到相同作用。

youdao

My hand is sweating. My heart is pounding.

我的手心冒汗，心在狂跳。

youdao

He was pounding his hand on the table and saying that he needed more troops.

NPR: Recruiting New U.S. Troops a Multi-Year Process

"Send a message not just to Mr. Trump ... but to others like him, " he said pounding his hand on a podium.

WSJ: Talk of lies, pride as Trump case goes to jury

"Send a message not just to Mr. Trump but to tell others like him, " he said pounding his hand on a podium.

WSJ: Talk of lies, pride as Trump case goes to jury