Chinese phrase
你是来〜的吗？ nǐ shì lái 〜 de ma
Meaning
Are you here to ___?
When to use it
This phrase asks if someone is here to do a particular thing. It is a common, neutral way to ask about the purpose of a visit.
Example dialogue
你是来出差的吗？ nǐ shì lái chū chāi de ma
Are you here on a business trip?
是的，公司派我来出差，这次要开会。 shì de gōng sī pài wǒ lái chū chāi zhè cì yào kāi huì
Yes, my company sent me here on business. I have a meeting this time.