The meeting was cloaked in mystery.

　　會議籠罩著神秘的氣氛。

　　She's a lady of mystery.

　　她是一個神秘的女人。

　　He's a bit of a mystery.

　　他這個人有點兒神秘。

　　The dark glasses give her an air of mystery.

　　這墨鏡使她顯得有些神秘。

　　His family background is shrouded in mystery.

　　他的家庭背景蒙上了神秘的色彩。