I had grazed my knees a little.

我的膝盖擦破了一点皮。

《柯林斯英汉双解大词典》

The fall onto the road grazed my knees and hands, but too not badly.

我跌倒在路上，擦伤了膝盖和双手，但是伤得不重，车子也没撞坏。

youdao

The fall onto the road grazed my knees and hands, but too not badly.

我跌倒在路上，擦伤了膝盖和双手，但是伤得不重，车子也没撞坏。

youdao