金剛鑽 jīngāngzuàn diamond Origin Definitions Defs Strokes Stroke Words Sentences Sents jīngāngzuàn diamond 金刚 金剛 jīngāng noun diamond A hard metal or diamond; something extremely hard and indestructible.钻 鑽 zuàn noun diamond a diamond; a jewel used in a watch or machineryjīngāngzuàn top-notch skill · diamond drill bit 金刚 金剛 jīngāng noun diamond A hard metal or diamond; something extremely hard and indestructible.钻 鑽 zuàn drill a tool used for drilling or boring, such as an auger or power drill