为了讨论这个敏感问题，董事会会议是私下举行的。

To discuss the sensitive matter, the board meeting was held ___in ___private.

那对名人夫妇选择在私密包厢用餐，以避开狗仔队。

The celebrity couple chose to dine ___in ___private to avoid paparazzi.

他想私下谈谈，所以我们找了个安静的角落。

He wanted to talk ___in ___private so we found a quiet corner.