He pounced on a loose ball.

他猛然扑向一个无人控制的球。

《牛津词典》

Owen pounced on the loose ball and scored.

欧文对准无人控制的球就是一脚，破门得分。

《牛津词典》

When he went for the loose ball, he tripped and fell over.

在争抢球时他绊了一下，摔倒了。

youdao

The U.S.sealed the victory in the 72nd minute through Clint Dempsey, who pounced on a loose ball in front of the Spanish net and deposited it in the goal to double the American lead.

VOA: standard.2009.06.24

Arsenal were relieved when Anderson's free-kick was half-cleared and Michael Carrick turned the loose ball wide.

BBC: Arsenal 2-1 Man Utd

Villa then recovered the loose ball and centered to find Torres, whose shot was blocked.

CNN: Last-gasp Villa gives Spain narrow win

Mignoni lost possession and Reddan kicked the loose ball forward before collecting it and touching down.

BBC: Wasps 25-24 Clermont Auvergne