double bluff

clever deception, eg telling an enemy the truth while knowing that he will assume you are lying 双重诈术（如告诉敌手实情而料其会以真为假）.

doss, doss-house, dosser, dossier, dot, dot matrix, dotage, dote, doting, dotingly, dotted line, dottiness, dottle, dotty, double, double agent, double back, double bed, double bill, double bind, double chin, double cream, double date, double Dutch, double entendre, double entry, double figures, double first, double pneumonia, double standard, double take, double time, double transitive verb, double up, double-barrelled, double-bass, double-book, double-booking, double-breasted, double-check,