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  1. pin down

    美式

    • ph.
      用針釘住;確定;清楚地知道
    • 釋義

    片語

    • 1. 用針釘住 Will you pin the paper down so it won't be blown away? 請你用針把紙釘住,不讓它吹走好嗎?
    • 2. 確定;清楚地知道 He is a very elusive person. It is hard to pin him down sometimes. 他是個捉摸不定的人,要清楚地知道他是很難的。 You must pin down every quotation to its author. 你一定要確定每一個引文的作者是誰。
    • 3. 使受約束 We should pin him down to his promise. 我們應約束他遵守諾言。