I TRAINed Ricky to smoke.
I can TRAIN him to shoot a dart.
The Big Bang Theory Season 4, Episode 21
I've hardly spoken to you
since we got on the TRAIN.
The Big Bang Theory Season 7, Episode 15
I have a kinda-sorta boyfriend
who's playing with a model TRAIN
The Big Bang Theory Season 5, Episode 3
The tinier the TRAIN,
the more concentrated the fun.
The Big Bang Theory Season 5, Episode 3
Amy, ljust saw a magic TRAIN
The Big Bang Theory Season 10, Episode 11