yígòng duōshao qián?
How much in total?
我扫码
I'll scan the QR code
This is a simple statement with 'wo' (我) meaning 'I' and 'saoma' (扫码) meaning 'to scan a code' (扫 = scan, 码 = code).
我用二维码支付
wǒ yòng èrwéimǎ zhīfù
I pay using a QR code. — More formal and explicit about payment.
我刷二维码
wǒ shuā èrwéimǎ
I scan the QR code. — More casual, often used in spoken language.
你怎么支付?
nǐ zěnme zhīfù?
How will you pay?
我扫码。
wǒ sǎomǎ.
I'll scan the QR code.
Appropriate
Avoid when
You can say '我扫码' (wǒ sǎomǎ). It literally means 'I scan code' and is understood as scanning a QR code.
It is pronounced 'wǒ sǎomǎ'. The tones are: wǒ (third tone), sǎo (third tone), mǎ (third tone).
Use it when you are about to scan a QR code, for example when paying at a store or adding someone on WeChat. It's casual and widely understood.
Tomyo
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