平安夜（Peaceful Night）是指圣诞夜。它来自拉丁语，"pax" 意为 "和平"，"silentia" 意为 "安静"。

例句：

平安夜快乐！Merry Christmas!

今年的平安夜，我们要在家里过节。We're celebrating Christmas at home this year.

在平安夜的晚上，我们通常会和家人一起吃大餐。We usually have a big meal with our family on Christmas Eve.