kěyǐ jìcún xíngli ma?
Can I leave my luggage?
密码在房卡上。
The password is on the room key card
The sentence structure is: 密码 (mìmǎ) "password" + 在 (zài) "is at" + 房卡 (fángkǎ) "room key card" + 上 (shàng) "on." It follows the pattern: subject + 在 + location + 上.
密码在这里
mìmǎ zài zhèlǐ
The password is here. — Shorter and less formal.
房卡上的密码
fángkǎ shàng de mìmǎ
The password on the room key card. — Slightly different word order.
请问,密码在哪里?
Qǐngwèn, mìmǎ zài nǎlǐ?
Excuse me, where is the password?
密码在房卡上。
Mìmǎ zài fángkǎ shàng.
The password is on the room key card.
Appropriate
Avoid when
You say "密码在房卡上。" (mìmǎ zài fángkǎ shàng).
It is pronounced "mìmǎ zài fángkǎ shàng". The tones are: mì (4th tone), mǎ (3rd tone), zài (4th tone), fáng (2nd tone), kǎ (3rd tone), shàng (4th tone).
Use it in a hotel context when telling someone that the password (for Wi-Fi or a door code) is written on the room key card. It is a neutral, practical statement.
Tomyo
Remember 密码在房卡上。 and hundreds of other phrases with smart reviews, audio and examples.