nag at (someone)

Translations
пилить (кого-то)
He would constantly nag at his brother to clean up his room.
Он постоянно пилил своего брата, чтобы тот убрался в комнате.
Definitions
To repeatedly annoy or criticize someone in a persistent manner, often about a minor issue.
Words
nag

verb
пилить
at

preposition
на
someone

pronoun
кого-то