Chinese phrase
需要换杯〜吗？ xū yào huàn bēi 〜 ma
Meaning
Do you need to replace the cup___?
When to use it
Asks whether a cup needs replacing. It is a polite service question, often used when a cup is dirty or unsuitable.
Example dialogue
抱歉，这杯有点脏。 bào qiàn zhè bēi yóu diǎn zàng
I'm sorry, but this cup is a little dirty.
很抱歉，您需要换杯子吗？ hěn bào qiàn nín xū yào huàn bēi zi ma
I'm very sorry. Do you need to replace the cup?