knock the stuffing out of somebodyinformalCONFIDENT to make someone lose their confidence 使某人气馁 Suzanne was very upset when her mother left home. It knocked the stuffing out of her. 母亲离家出走使得苏珊娜苦恼不已,整个人变得萎靡不振。
→ knock the stuffing out of somebody at knock1(5)