The train chugged on through the night and then came to a stop.
The train chugged out of the station five minutes late.
The train chugged along through the night, making stops every now and then.
In summer a miniature train chugs its way around the park.
Below the street the western train was puffing and chugging.
Up from the river chugs a little blue train.
The train whistled twice east of town, then chugged in and came to a halt.
Before I can say a word, the train chugs forward... and my brother's lost in the crowd.
But the train chugged on its way without slowing.
His train of thought had clattered down a siding and chugged to a stop.