開鑽 Save Sign in to save words Simplified: 开钻 kāizuān ㄎㄞ ㄗㄨㄢ to start drilling Character by character 開(kāi)open 鑽(zuān)drill A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0