Chinese phrase
请换〜 qǐng huàn 〜
Meaning
Please replace ___
When to use it
It is a polite request to replace something. It is used when an old, empty, or unsuitable item needs to be changed for a new one.
Example dialogue
遥控器没电了，请换电池。 yáo kòng qì méi diàn le qǐng huàn diàn chí
The remote control has run out of power, so please replace the batteries.
好的，我现在就换两节电池。 hǎo de wǒ xiàn zài jiù huàn liǎng jié diàn chí
Okay, I'll replace two batteries right now.