Chinese phrase
有备用〜吗？ yǒu bèi yòng 〜 ma
Meaning
Is there a spare ___ available?
When to use it
This phrase politely asks if an extra item is available. It suits requests for an adapter, key, or similar item in a hotel.
Example dialogue
我的插头在这儿用不了，你们有备用转换插头吗？ wǒ de chā tóu zài zhèr yòng bù liǎo nǐ men yǒu bèi yòng zhuǎn huàn chā tóu ma
My plug will not work here. Is there a spare adapter?
有的，前台有一个，稍等我拿给你。 yǒu de qián tái yǒu yí gè shāo děng wǒ ná gěi nǐ
Yes, one is at the front desk. Please wait while I get it.