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
It's not over yet.
还没有完呢。
It's not up to his usual standard.
这次没有达到他平时的水平。
Close the door after you，please.
请随手关门。