а> продолжать преследовать The police kept after the criminals until at last they caught them. б> ругать She keeps after the children the whole time, never lets them have a minute's peace.
KEEP AFTER
Англо-русский перевод KEEP AFTER
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012