con·spi·ra·to·ri·al /kənˌspɪrəˈtɔːriəl/ adjectiveadj 1 SECRETa conspiratorial expression, voice, or manner suggests you are sharing a secret with someone 〔表情、说话声音或态度〕诡秘的,神秘的 His voice became low and conspiratorial. 他压低了声音,显得很神秘。
Pat whispered to Maggie in a conspiratorial tone. 帕特语气诡秘地对着玛吉低声耳语。
conspiratorial whisper/smile/wink etc Britta gave him a conspiratorial smile. 布丽塔对他心照不宣地一笑。
—conspiratorially adverbadv