ㄍㄨㄟˇguǐㄇㄧˋ

  1. 隱密不易行蹤詭祕」。·韓愈實錄〉:交遊蹤跡詭祕。」怪異神祕

secretive, furtive, surreptitious
mystérieux
verschlossen ??? (S)​