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英语解释

hard at it

汉语翻译

拼命工作, 工作卖力

hard at it例句

  1. I've been hard at it all the morning.
    我一上午都在卖力地干。
  2. The policemen were already hard at it when we reached the scene of the accident.
    当我们到达肇事地点时,警察们已经在哪里忙开了。
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