plug away   (TTS Sound)

The plug_away has 2 Senses.

• keep one's shoulder to the wheel, plug away, keep one's nose to the grindstone, slog, peg away
• のそのそする
• work doggedly or persistently; "She keeps plugging away at her dissertation"
• 頑固にまたは継続して働く

• plug away, plug
• persist in working hard; "Students must plug away at this problem"
• 一生懸命に働くことに固執する