cloak-and-dagger
 (adj.)小說
 cloak-and-dagger
      adj : conducted with or marked by hidden aims or methods;
            "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" [syn: clandestine, hole-and-corner(a),
             hugger-mugger, hush-hush, on the quiet(p), secret,
             surreptitious, undercover, underground]