Chinese phrase
我可以问〜一个问题吗？ wǒ ké yǐ wèn 〜 yí gè wèn tí ma
Meaning
May I ask one question about ___?
When to use it
This politely asks for permission to ask one question. It is often followed by a topic and has a respectful tone.
Example dialogue
我可以问一下关于签证的一个问题吗？ wǒ ké yǐ wèn yí xià guān yú qiān zhèng de yí gè wèn tí ma
May I ask one question about visas?
可以，什么问题？ ké yǐ shén me wèn tí
Sure, what is your question?