plug away (at)

• • [口语]拼命地干着(某项工作)；顽强地致力于(工作等)：

    Despite the difficulty of the task,and the slowness of the progress,the workers continued to plug away at it manfully.

    尽管任务很艰巨，进展也缓慢，工人们仍顽强果断地继续干着。

  • 坚定而缓慢地行走：

    There were only Joe and I plugging away several hundred metres behind the rest.

    只有乔和我慢慢地走在其他人后面几百米。