in (one's) train
old-fashioned In pursuit of one; following closely behind one. They were forced to flee the country in their benefactor's train, facing persecution at home and having no resources of their own abroad. We can't go back to the hideout now, not with the cops in our train! Liam caught the ball and ran toward the endzone with most of the opposing players in his train.
in train
In motion or in progress; currently being prepared, processed, or dealt with. The article, which featured allegations from over a dozen ex-employees, set in train a series of lawsuits, firings, and investigations against business leaders accused of violating numerous tax codes. As construction is already in train, there is no point protesting against it. You can protest all you want, but it doesn't matter—the project is already in train.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.