Chinese phrase
请在〜叫醒我 qǐng zài 〜 jiào xǐng wǒ
Meaning
Please wake me up when ___
When to use it
A polite request to be woken at a stated time or event. It suits everyday conversation and sounds courteous rather than forceful.
Example dialogue
火车上我想睡，你可以请在到站时叫醒我吗？ huǒ chē shàng wǒ xiǎng shuì nǐ ké yǐ qǐng zài dào zhàn shí jiào xǐng wǒ ma
I want to sleep on the train. Could you wake me up when we reach the station?
好的，到站的时候我会叫你起来，别担心。 hǎo de dào zhàn de shí hòu wǒ huì jiào nǐ qǐ lái bié dān xīn
All right, I will wake you up when we reach the station, so do not worry.