Search Result：keep one's nose to the grindstone
keep one's nose to the grindstone 
(TTS Sound)
(TTS Sound)Overview of verb keep_one's_nose_to_the_grindstone
The verb keep one's nose to the grindstone has 1 sense
- plug away, peg away, slog, keep one's nose to the grindstone, keep one's shoulder to the wheel -- (work doggedly or persistently; "She keeps plugging away at her dissertation")