打扰一下，这趟火车去市中心吗？

___Excuse ___me, does this train go to the city center?

打扰一下，你刚才叫我的名字了吗？

___Excuse ___me, did you just say my name?

打扰一下，你能帮我找一下这本书吗？

___Excuse ___me, could you help me find this book?