kěyǐ yòng jiāotōng kǎ ma?
Can I pay with a transport card?
从A出口出去。
Exit via exit A
从 (cóng) means "from," A is the letter, 出口 (chūkǒu) means "exit," and 出去 (chūqù) means "go out." So it's literally "from exit A go out."
请从A出口出去。
qǐng cóng A chūkǒu chūqù
Please exit via exit A. — More polite because of the added 'please' (请).
从A口出去。
cóng A kǒu chūqù
Exit via exit A. — Shorter version, omitting '出口' (exit).
我们从A出口出去吗?
wǒmen cóng A chūkǒu chūqù ma?
Are we going to exit via exit A?
对,走这边。
duì, zǒu zhè biān.
Yes, go this way.
Appropriate
Avoid when
You say '从A出口出去' (cóng A chūkǒu chūqù).
It is pronounced 'cóng A chūkǒu chūqù'.
Use it when giving or following directions to leave a metro station through exit A.
Tomyo
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