cloak-and-dagger基本解释
adj.有关阴谋或间谍的
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adj.有关阴谋或间谍的
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"clandestine intelligence operations"
"cloak-and-dagger activities behind enemy lines"
"hole-and-corner intrigue"
"secret missions"
"a secret agent"
"secret sales of arms"
"surreptitious mobilization of troops"
"an undercover investigation"
"underground resistance"