Chinese phrase
那就麻烦你了 nà jiù má fán nǐ le
Meaning
then please do
When to use it
It politely accepts an offer and shows thanks for the help. It is common in friendly or respectful conversation when someone offers a favor, and it can show mild concern about causing trouble.
Example dialogue
我帮你把这箱书搬到办公室吧。 wǒ bāng nǐ bǎ zhè xiāng shū bān dào bàn gōng shì ba
I will help you carry this box of books to the office.
好，那就麻烦你了。 hǎo nà jiù má fán nǐ le
Okay, then, thanks.