lockdown 是 lock down 的另一種寫法lock down片語動詞KK [lɑk daʊn] /lɑk daʊn/發音片語動詞1封鎖、封城、實施禁閉可拆開Police locked down the entire building after the alarm went off.警報響起後，警方封鎖了整棟大樓。2敲定、確定、鎖定口語，可拆開We need to lock down the budget before the end of the month.我們必須在月底前把預算敲定。3鎖緊、固定可拆開Lock down the hatches before the storm hits.暴風雨來臨前先把艙門鎖緊。名詞1封城、封鎖、禁足The city went into lockdown for three weeks last spring.去年春天這座城市封城了三個星期。2戒備封閉、禁閉The school was placed on lockdown after the threat was reported.接獲威脅通報後，學校進入封閉戒備狀態。