鑽空子 Save Sign in to save words Simplified: 钻空子 On the HSK 7-9 vocabulary list, at CEFR level C2. zuānkòngzi ㄗㄨㄢ ㄎㄨㄥˋ ˙ㄗ to take advantage of a loophole to exploit an advantage to seize the opportunity (esp. to do sth bad) Character by character 鑽(zuān)drill 空(kòng)empty 子(zi)noun suffix, as in 椅子 yǐzi "chair" A Chinese word or character, or English Search 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