Chinese phrase
不用麻烦 bú yòng má fán
Meaning
no need to trouble yourself
When to use it
It politely says that help is not needed. It often shows thanks while gently declining an offer of help.
Example dialogue
我可以帮你预约下周的会议。 wǒ ké yǐ bāng nǐ yù yuē xià zhōu de huì yì
I can help you book next week's meeting.
谢谢你，但不用麻烦，我自己会处理。 xiè xiè nǐ dàn bú yòng má fán wǒ zì jǐ huì chú lǐ
Thanks, but no need to trouble yourself. I'll handle it myself.