pick away at (something)

To focus on, scrutinize, or dwell upon every small or minor fault, problem, or failing of or about something. I wish the principal wouldn't pick away at the teachers like that. They're all trying to be the best teachers they can!

Common Names:

Name	Pronounced	Usage
Weston	['westən]
Dong	-	Chinese
Browne	[braun]
Dzhokhar	-	Chechen
MÁRjÁ	-	Sami
Gerda (2)	YER-dah (Swedish)	Swedish, Norwegian, Danish