It was nice to be among his own kind again; to get into that mental undress that one wears among one's colleagues; to talk the allusive unexplanatory talk that constituted Headquarters' 'shop'.

很高兴再次成为他的同类。穿上同事间穿的那种精神上的外衣；谈论构成总部“商店”的暗示性无法解释的谈话。