没有列车长的郑重道歉。

There is no formal apology from the conductor.

列车长：可是你嘴里叼着烟斗。

Conductor: But you have your pipe in your mouth.

列车长怎么不经批准就擅自休班了？

Why did the chief conductor go off duty without approval?

然后他们一起去了引擎室，列车长要向谢尔顿展示如何把火车开过交叉口。 罊。

Then they both headed off to the engine room so that the conductor could show Sheldon how to bring the trail through a crossing.