Chinese phrase
门卡失效了 mén kǎ shī xiào le
Meaning
The room key card stopped working
When to use it
Says that a room key card no longer works. It is commonly used to report an access problem to hotel staff and explain why help is needed.
Example dialogue
不好意思，门卡失效了，我进不去房间了。 bù hǎo yì si mén kǎ shī xiào le wǒ jìn bú qù fáng jiān le
Sorry, my room key card stopped working, and I cannot get into my room.
我这就帮您换一张新的，请您稍等一下。 wǒ zhè jiù bāng nín huàn yì zhāng xīn de qǐng nín shāo děng yí xià
I will get you a new one right away. Please wait a moment.