Collocation words: thoughts/people/vehicles/gears/gunpowder/dresses/plants/vines/athletes/guns/cameras/hoses.
Bringing something (naturally or naturally) into the train causes … train cars to train animals to do something, train something to aim (or aim) at something/someone, and train for a race.
Bilingual example
1. We went to the mainland? We went to the mainland by train.
He caught up with the eastbound? Train? Tottenham court road. He got on the eastbound subway train to Tottenham Palace Road.
Is this the woman I met on the road? This is the very woman whom I met on the train.
4. I'm here? I'm on the train.
She handled her affairs quickly and caught up? She finished her work quickly and then caught the train.