Chinese phrase
如不方便，请告知 rú bù fāng biàn qǐng gào zhī
Meaning
Please let us know if that is inconvenient
When to use it
It politely asks someone to say if this is inconvenient. It often appears in formal messages when another option or extra help is available.
Example dialogue
请问论文的提交截止日期是几点？ qǐng wèn lùn wén de tí jiāo jié zhǐ rì qī shì jí diǎn
Excuse me, what time is the paper due?
下周三下午五点，如不方便，请告知，我们可以延长。 xià zhōu sān xià wǔ wú diǎn rú bù fāng biàn qǐng gào zhī wǒ men ké yǐ yán cháng
Next Wednesday at 5 p.m. If that is inconvenient, please let us know; we can extend the deadline.