1. The sense of humour is mysteriously bound up with national characteristics.
    幽默感与民族有着神秘莫测的联系。

2. They had mysteriously found their way there from the wine cellar!
    这些酒瓶神不知鬼不觉地从酒窖来到了这里。

3. She smiled mysteriously when I asked her about my birthday present.
    当我问她有关我生日礼物时，她神秘地微笑了。