adv.秘密地；悄悄地；信任地
She was leaning confidentially across the table. 她神神秘秘地从桌子上靠过来。
She told me confidentially that she was going to retire early. 她私下告诉我她要提早退休。
He confidentially authorized me to act for him while he was abroad. 他信任地委托我在他出国期间代行他的职务。
