HSK 5
贵姓
guìxìng名
what is your surname?; (May I ask) your surname?
请问您贵姓方便告诉我吗。
Qǐng wèn nín guì xìng fāng biàn gào su wǒ ma.
May I ask your surname, if you do not mind telling me?
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Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 5.