Chinese phrase
可以留个〜吗？ ké yǐ liú gè 〜 ma
Meaning
Could you leave me your ___?
When to use it
A polite request for someone's contact information. It often asks for an email address or phone number so people can stay in touch, with a soft and friendly tone.
Example dialogue
如果以后还要联系，你 可以留个 电子邮箱 吗？ rú guǒ yǐ hòu hái yào lián xì nǐ ké yǐ liú gè diàn zi yóu xiāng ma
If we need to stay in touch later, could you leave me your email address?
可以，我回头把邮箱发给你。 ké yǐ wǒ huí tóu bǎ yóu xiāng fā géi nǐ
Sure, I'll send you my email address later.