Chinese phrase
您贵姓？ nín guì xìng
Meaning
May I ask what your last name is?
When to use it
This is a polite way to ask for a person's last name. It is common in formal or respectful introductions, especially with someone unfamiliar or older.
Example dialogue
请问，您贵姓？ qǐng wèn nín guì xìng
Excuse me, may I ask what your last name is?
我叫李华，姓李。很高兴认识你。 wǒ jiào lǐ huá xìng lǐ hěn gāo xìng rèn shí nǐ
My name is Li Hua. My last name is Li. Nice to meet you.