琢磨 On the HSK 7-9 vocabulary list, at CEFR level C2. zhuómó ㄓㄨㄛˊ ㄇㄛˊ to carve and polish (jade) to polish and refine a literary work zuómo ㄗㄨㄛˊ ˙ㄇㄛ to ponder to mull over to think through 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