He lost his balance and fell to the ground.

他失去平衡摔倒在地上。

《牛津词典》

The goal is to pay off the balance every month. There's really no middle ground here.

目标就是没个月付清自己的余额。

youdao

The question we should ask is whether we need balance or just to be able to stand on solid ground?

我们应该问的问题是我们是否真的需要平衡，还是只需要站在生活中站稳脚跟？

youdao

The protester either was knocked off balance or fell to the ground on his own.

WSJ: Bloomberg's Bum Rush Backfires

George Lucas may be used to fans falling at his feet but as she tumbled to the ground our nameless colleague quickly regained both balance and composure and raced off before he was able to pass judgment on her unintentional audition for CNN's stunt-woman of the year.

CNN: Behind the red carpet at Cannes

Girls with cheeks smeared with thanaka (sun block made from ground tree bark) balance two to a bicycle.

BBC: A new dawn in Burma