释义 |
cloak-and-dagger adjective very secret; pertaining to espionage US, 1944- The capital is overrun by snoops and spies, not only using every cloak-and-dagger device for foreign transmission, but assigned and trained to catch and report inter-bureau information, rumors included. — Jack Lait and Lee Mortimer, Washington Confidential, p. 245, 1951
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