- 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"
--1 is one way to work
Sample sentences:
Somebody ----s
Somebody ----s PP
- plug, plug away - persist in working hard; "Students must plug away at this problem"
--2 is one way to persevere, persist, hang in, hang on, hold on
Sample sentence:
Something ----s