TV series example of the word

The Big Bang Theory Season 8, Episode 23
...a proven way to raise a child or train a rat.

Breaking Bad Season 3, Episode 11
Like over by the train tracks?

Breaking Bad Season 5, Episode 11
He jumped out of a helicopter, not a train.

The Big Bang Theory Season 2, Episode 13
Uh, I guess. They're right over there by the wooden train set.

The Big Bang Theory Season 12, Episode 5
Most astronauts have to train their whole lives.