mysteriously
adv. 神秘地；故弄玄虚地；难以理解地
例句
She was silent, smiling mysteriously.
她沉默不语，神秘地笑着。
《牛津词典》
A couple of messages had mysteriously disappeared.
几条信息已经神秘地消失了。
《柯林斯英汉双解大词典》
The plane crashed mysteriously near the island of Ustica.
飞机在乌斯蒂卡岛附近神秘地坠毁了。
