ಅರ್ಥ : Work doggedly or persistently.
ಉದಾಹರಣೆ :
She keeps plugging away at her dissertation.
ಸಮಾನಾರ್ಥಕ : keep one's nose to the grindstone, keep one's shoulder to the wheel, plug away, slog
Peg away meaning in Bengali (Bangla).