Knuckleduster
n. [常作～s]=brass knuckles
📖 牛津释义
knuckleduster
n (US brass knuckles) metal cover worn over the knuckles to increase the injury caused by a blow with the fist 戴在指关节上的金属套（打人时加重损伤）.
🗣️ 情景例句
I'm going to use it for business.
我会在业务上用到它。
I wonder if you are on my side.
我不知道你是否站在我这边。
I have just finished the book.
我刚刚读完这本书。