Chinese phrase
能不能帮个忙？ néng bù néng bāng gè máng
Meaning
Could you do me a favor?
When to use it
A polite way to ask someone for help. It is common in friendly everyday conversation and sounds less formal than a formal request.
Example dialogue
嗨，能不能帮个忙？ hāi néng bù néng bāng gè máng
Hi, could you do me a favor?
当然，什么事？ dāng rán shén me shì
Of course, what is it?