伤 (shāng) is a versatile word that can function as a noun meaning 'wound' or 'injury,' a verb meaning 'to injure,' or an adjective describing something as wounded. It appears in many compounds like 受伤 (to be injured) and 伤心 (sad).
他的腿上有一道很深的伤。
tā de tuǐ shàng yǒu yī dào hěn shēn de shāng.
He has a deep wound on his leg.
别碰那把刀,小心伤到手。
bié pèng nà bǎ dāo, xiǎoxīn shāng dào shǒu.
Don't touch that knife; be careful not to hurt your hand.
这次摔倒伤得不轻。
zhè cì shuāidǎo shāng de bù qīng.
This fall caused quite a serious injury.