Chinese phrase
请在〜前回复我 qǐng zài 〜 qián huí fù wǒ
Meaning
Please reply to me before ___
When to use it
Politely asks for a reply before a stated time. It sets a clear deadline and suits emails or other practical messages.
Example dialogue
这个文件明天要用，请在今天下午五点前回复我。 zhè ge wén jiàn míng tiān yào yòng qǐng zài jīn tiān xià wǔ wú diǎn qián huí fù wǒ
This document is needed tomorrow, so please reply to me by 5 p.m. today.
好的，我会在五点前回复你。 hǎo de wǒ huì zài wú diǎn qián huí fù nǐ
Okay, I'll reply to you by five.