He gave the ball a boot by the other foot.

他用另一只脚重重地踢了一下这球。

youdao

She hit the ball hard with her foot.

她用脚使劲踢球。

youdao

This study showed that an increase in the coefficient of friction between the ball and the foot caused the ball to acquire more spin.

这项研究表明，脚和球之间的摩擦系数的增加导致了球获得更多的角动能。

youdao

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

It's a little easier to hit the ball hard to the opposite side from the side which is your foot and that's the same principle in baseball.

从另一侧击球更容易发力,在棒球中这个道理也是适用的

耶鲁公开课 - 博弈论课程节选

Indeed, it's the support at the ball of the foot that gave my pair their distinct feel.

FORBES: The Sole of Stefano Bemer

With the low, slow pitches at home, Indian batsmen are naturals at going forward to play the ball off the front foot, hitting confidently through the line, even if they're not particularly over-pitched, with the hands characteristically low down.

WSJ: India's Cricket Team Visits Australia

Even though he plays on the left for Villa, he is really good at shaping to take the ball down the wing and then checking back on his right foot to deliver a good ball into the box.

BBC: World Cup scouting: left midfield