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  1. Oxford American Dictionary

    knock up

    • ph.
      make something in a hurry；make a woman pregnant
    • 釋義

    片語

    • 1. make something in a hurry
    • 2. make a woman pregnant
    • 3. wake or attract the attention of someone by knocking at their door
    • 4. (in tennis or a similar game) practise before formal play begins