Zhao Liang：Excuse me, Miss. 
你好，小姐。

Lily：Yes? 
有什么事吗？

Zhao Liang：I'm responsible for security on this train. We suspect that there might be some dangerous substances in your bag. Can we have a look? 
我是这辆列车的乘警，我们怀疑你的背包中有危险物品，可以让我们检查一下吗？

Lily：Dangerous substances? Impossible! Here is my bag. 
危险物品？不可能！你们检查吧。

Zhao Liang：Thanks…Miss, what is this? 
谢谢……小姐，这是什么？

Lily：Fireworks, are they dangerous? 
烟花。这也是危险物品吗？

Zhao Liang：Yes, they are not allowed on board the train. We're going to have to confiscate them. 
是的，这个是不允许携带的。我们必须没收。