摁在地上摩擦英文表达方法是：scrape or rub against the ground.

这个短语的来源是指将一个物体（例如脚、膝盖或手）摁在地上，然后通过移动身体或者摩擦来支撑自己的动作。

下面是一些英文例句以及中文翻译：

Example 1:

"She fell to the ground and scraped her knees trying to stop the ball." (她摔倒在地，摁着膝盖摩擦在地面上，试图挡住球。)

Example 2:

"He scraped his palms on the rough concrete as he tried to pull himself up." (他试图拉起身，手掌在粗糙的混凝土上摩擦。)

Example 3:

"She rubbed her hands against the ground to dry them off after washing dishes." (她把手摁在地上摩擦干净，以清洗碗碟。)