熟悉 On the HSK 5 vocabulary list, at CEFR level C1. shúxī ㄕㄨˊ ㄒㄧ to be familiar with to know well Where 熟悉 is used Example sentences and grammar articles using 熟悉 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