అర్థం : Work doggedly or persistently.
							ఉదాహరణ : 
							She keeps plugging away at her dissertation.
							
పర్యాయపదాలు : keep one's nose to the grindstone, keep one's shoulder to the wheel, peg away, slog
అర్థం : Persist in working hard.
							ఉదాహరణ : 
							Students must plug away at this problem.
							
పర్యాయపదాలు : plug
Plug away meaning in Telugu.