在地铁站或公交车时如何告诉别人“如果要进站，你需要刷卡”，我想知道“刷卡”如何说，谢谢
thanks all,but I mean that when we get into the subway station.First ,we should buy a ticket (a card in chinese city).If someone don't know how to use it,So how to tell him how to correctly use it.Thanks!

Question

在地铁站或公交车时如何告诉别人“如果要进站，你需要刷卡”，我想知道“刷卡”如何说，谢谢
thanks all,but I mean that when we get into the subway station.First ,we should buy a ticket (a card in chinese city).If  someone don't know how to use it,So how to tell him how to correctly use it.Thanks!

Answer

老外真没“刷”这个概念 ，一般都用use the credit card
不过真要说的话 一般口语用 swipe
"进门请刷卡”Please swipe your card before entering
请刷您的卡”Swipe your card please!

还有就是 slot card啦，也可以翻做刷卡 希望能帮助你

Answer

刷卡 = to use a credit card.
But I think you mean something else. You are referring to the "Travelcard" you use when you board buses in Chinese cities.
There are a variety of names for these in English. "Travelcard" is one of them, and is probably the best. You might here:
buscard
metrocard
citicard
etc....
In this case you say "swipe your card".

Answer

Sometimes you can find answers right upon the spots where the questions take place. In this case, only if you ever took a bus and paid attention to the signs in the bus.

Answer

Swipe you card.

Answer

slide/run the card.

通常用use就可以了