掌握 On the HSK 5 vocabulary list, at CEFR level C1. zhǎngwò ㄓㄤˇ ㄨㄛˋ to grasp (often fig.) to control to seize (initiative, opportunity, destiny) to master to know well to understand sth well and know how to use it fluency 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