磕 On the HSK 7-9 vocabulary list, at CEFR level C2. kē ㄎㄜ to tap to knock (against sth hard) (esp.) to knock (mud from boots, ash from a pipe etc) to be into (a character relationship, dynamic, or trope) fandom slang 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