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  1. be in there doing

    • ph.
      堅持不懈地從事
    • 釋義
    • 同反義

    片語

    • 1. 堅持不懈地從事 He was always in there doing, but all his efforts were in vain. 他總是堅持不懈地從事, 但他的所有努力都白費了。

    同義詞

    堅持不懈地從事