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English definition of “under arms”

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under arms

provided with weapons and willing to fight: The rebels now have thousands of people under arms.
Translations of “under arms”
in Chinese (Traditional) 處於備戰狀態, 嚴陣以待…
in Chinese (Simplified) 处于备战状态, 严阵以待…
(Definition of under arms from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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