| plug away at | (phrv) ทำงานหนัก, See also: มุมานะทำงาน, Syn. peg away at, plod away, slog at |
| plug away | (v) work doggedly or persistently, Syn. slog, keep one's nose to the grindstone, keep one's shoulder to the wheel, peg away, Example: She keeps plugging away at her dissertation |