Fángkǎ dǎ bù kāi huò diū le, qiántái tōngcháng yào héduì shēnfèn zài bǔ kǎ

房卡打不开或丢了，前台通常要核对身份再补卡。

If the room key doesn't work or is lost, the front desk usually needs to verify your identity before issuing a replacement.