Nénɡ bānɡwǒ ɡe máng ma?
能帮我个忙吗?
Would you please do me a favor?
Notes:
能(nénɡ): can
帮(bānɡ): to help
我(wǒ): me
个(ɡe): one
忙(máng): favour
吗(ma): question word
Example:
A:能帮我个忙吗?
Nénɡ bānɡwǒ ɡe máng ma?
Would you please do me a favor?
B:好的。
Hǎode.
OK.