keep after

keep after  {v.},  {informal}
Говорить (кому-л.) о чем-л. снова и снова; напоминать вновь и вновь.
Some pupils will do sloppy work unless the teacher keeps after them to write neatly.
Sue's mother had to keep after her to clean her bedroom.
Категории: {informal} {v.}

'keep after' on video