His family background is shrouded in mystery.

他的家庭背景蒙上了神秘的色彩。

The killer had a disturbed family background.

杀人凶手出身于一个坎坷不幸的家庭。

The book is full of amusing sidelights on his family background.

这本书中有许多关于他家庭背景的趣闻。

Access to education is an essential part of one's privilege regardless of one's gender, culture, and family background.

无论一个人的性别、文化和家庭背景如何，接受教育都是其特权不可缺少的一部分。

It can't be denied that the College Entrance Examination creates a relatively level playing field for students from all family background.

不可否认的是，高考给不同家庭背景的学生创造了相对公平的竞争机会。