verb
to work steadily and persistently at a task or activity
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Despite the challenges, the team continued to plug away at the project until it was completed.
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I know studying for this exam is tough, but just keep plugging away and you'll get through it.
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We just need to plug away at this party planning and we'll have everything ready in no time.
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She felt like she was swimming against the current, but she kept plugging away, determined to reach her goal.