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
using as many letters as possible.
尽可能多用字母，
Not at all.
一点儿也不。
How's that?
这样子可以吧。