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These guys have been plugging away at this for years.

It has nothing to do with what I've been plugging away at for this whole year.

I've been plugging away at this site for about eight years now.

I plugged away on every single media outlet that would let me.

Follow your dreams, but make sure you continue to plug away, and have a game plan.

He's gone about it quietly, just plugging away and learning from watching others.

I want you to keep plugging away at that economy idea.

If you keep plugging away, good things are going to happen.

Best thing to do, if you ask me, is just keep plugging away and wait for it to change.

We always kept plugging away, and that's what I was doing this time.