他磕破了皮。
He scraped his skin.
to tap; to knock (against sth hard); (esp.) to knock (mud from boots, ash from a pipe etc); (fandom slang) to be into (a character relationship, dynamic, or
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
他磕破了皮。
He scraped his skin.
他磕了一个头。
He knocked his head once.