in·scru·ta·ble /ɪnˈskruːtəbəl/ adjectiveadj EXPRESSION ON somebody'S FACEsomeone who is inscrutable shows no emotion or reaction in the expression on their face so that it is impossible to know what they are feeling or thinking 〔因面无表情而〕难以理解的,莫测高深的 He stood silent and inscrutable. 他静静地站着,让人难以捉摸。
—inscrutably adverbadv
—inscrutability /ɪnˌskruːtəˈbɪləti/ noun [uncountableU]