鑽 Simplified: 钻 On the HSK 6 vocabulary list, at CEFR level C2. zuān ㄗㄨㄢ to drill to bore to get into to make one's way into to enter (a hole) to thread one's way through to study intensively to dig into to curry favor for personal gain zuàn ㄗㄨㄢˋ drill auger diamond Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT