kěyǐ yòng jiāotōng kǎ ma?
Can I pay with a transport card?
可以扫码进站吗?
Can I enter with a QR code?
The structure is: 可以 (kěyǐ) "can" + 扫码 (sǎomǎ) "scan a QR code" + 进站 (jìnzhàn) "enter the station" + 吗 (ma) question particle. It's a polite inquiry.
可以用二维码进站吗?
kěyǐ yòng èrwéimǎ jìnzhàn ma?
Can I use a QR code to enter the station? — More formal because it uses 二维码 (èrwéimǎ) instead of 扫码 (sǎomǎ).
能扫码进站吗?
néng sǎomǎ jìnzhàn ma?
Can I scan to enter the station? — More casual because 能 (néng) is less formal than 可以 (kěyǐ).
请问,可以扫码进站吗?
qǐngwèn, kěyǐ sǎomǎ jìnzhàn ma?
Excuse me, can I scan a QR code to enter the station?
可以的,二维码在这里。
kěyǐ de, èrwéimǎ zài zhèlǐ.
Yes, you can. The QR code is here.
Appropriate
Avoid when
You can say "可以扫码进站吗?" (kěyǐ sǎomǎ jìnzhàn ma?).
It is pronounced "kěyǐ sǎomǎ jìnzhàn ma?" with a rising tone on "ma" to indicate a question.
Use it at a metro or train station when you want to ask if you can enter by scanning a QR code, especially if you are unsure about the entry method.
Tomyo
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