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間髪おかず， 間髪置かず， かんはつおかず， かんぱつおかず
1. immediately, instantly, with nary a pause, without a moment's delay
立即，瞬间，毫不迟疑，毫不拖延
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一刻の猶予もない， いっこくのゆうよもない
1. not a moment to waste, there is no time to lose, cannot wait any longer
刻不容缓，分秒必争，再也等不下去了