Catch a bus
乘公交车

Is this where I can catch a bus to the theater?
我在这里可以等到去剧院的车吗？
Yes, but you can't get there without a change.
是的，但您不能直达剧院。

Which bus do I have to change?
那我该换乘哪班车呢？
You have to get off at the hospital and change for bus 15.
到医院下车换乘15路公交。
I see. Thank you.
知道了，谢谢。