1. 这是你我之间的秘密。

[ zhè shì nǐ wǒ zhī jiān de mì mì 。 ]

It's a secret between you and me.

2. 秘密在人群当中传播开来。

[ mì mì zài rén qún dāng zhōng chuán bō kāi lái 。 ]

The secret was spread among the crowd.