plug away (at (something))

to keep working in a determined way.

He's experienced plenty of hard times, but Ed is still plugging away, playing several nights a week at a local jazz club.

The powerful computer was plugging away at the problem for weeks.

• throw together
• throw to the dogs
• throw to the lions
• throw to the wolves
• throw up
• throw up hands
• throw upon mercy
• throw upon someone's mercy
• throw up something
• throw up your hands
• throw weight around
• throw your hat in the ring
• throw your money around
• throw yourself into
• throw yourself into something
• throw yourself on mercy
• throw yourself on someone's mercy
• throw yourself upon mercy
• throw yourself upon someone's mercy
• throw your weight around
• throw your weight behind
• throw your weight behind someone
• throw your weight behind something
• thumb nose at
• thumb nose at someone