on high alert meaning in English

处于高级戒备状态
高度警戒

Alert our military is on high alert status
我们的军队处于高度戒备状态。
Mom , we ' re on high alert here ! i almost killed you right then
妈！我们处于高度戒备刚才我差点就把你杀了
Pull them all back on high alert
全部调回,高度戒备
America is on high alert tonight , just four days before christmas
美国政府今晚发出高度警报离圣诞节只有4天
Stay on high alert
保持高度警戒

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