Wiktionary
vb. (context transitive English) To coach, instruct, coach someone.
Usage examples of "coach up".
He planned it we were to hold the coach up and get Miss Prue safe away.
He wouldn't have known to take the chance of added stress, wouldn't have been able to get the coach up fast enough to make use of the eleven seconds.
However, it was almost an hour later that the mules hauled the coach up the steep track, through thick bush, and paused to blow on the level neck of ground high above the whitewashed church and its attendant buildings.
Once Demyst closed the carriage door, Mantar turned the coach up Cargo Road.
Jack had meant to fly straight from the coach up the steps, but slow groups of fools, either coming on foot or abandoning their carriages at the corner of Grosvenor Square, clustered like summer bees in the entrance and blocked the way.
We took a coach up the Bowery to the point where it meets Broadway.
The Mythoclast accepted, founded this castle and erected this tower with foreign loans, and using a highly efficient pulley system powered by his prize stallion, winched the coach up here during the Thirty Golden Days to claim every monastery in the land.