内奸

nèijiān

a secret enemy agent within one's ranks; a hidden traitor

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hidden traitor

【法】 fink; quisling

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agent provocateur

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nei4 jian1

undiscovered traitor, enemy within one's own ranks

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内奸

nèi jiān

a secret enemy agent within one's ranks; hidden traitor

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內奸|内奸 [nèi jiān] ► undiscovered traitor ► enemy within one's own ranks