V-ERG
(皮肤)擦破；（使）擦伤
If your skin chafes or is chafed by something, it becomes sore as a result of something rubbing against it.
例句
My shorts were chafing my thighs...
我的短裤把大腿磨得生疼。
She turned him in the bed so that the sheets wouldn't chafe his skin into sores...
她帮他翻了个身，免得他生褥疮。