Wiktionary
beat into
vb. To teach or instil by repetition.
Usage examples of "beat into".
All her hopes dissolved, and she was conscious of sitting rigidly, with high head and straight lips, while the irresistible word fled with a last wing-beat into the golden mist of her illusions.
A cloud hid the top of the pass, while the rain beat into the faces of the Turkish soldiers and blinded them.
If her memory was correct, then Danforth was probably venturing off his beat into the Valley to extort sex from prostitutes.
So he gambled that either the wind would veer to the east and blow him through, or that the Pacific swell would somehow abate and allow him to beat into the wind, no matter where it stood.