"Read her diary" 读她的日记
来源：这是一个通用的英语表达，表示阅读某人的日记。
例句：
I found my sister's diary and couldn't resist reading it. 我发现了我姐姐的日记，忍不住读了。
It's not right to read someone's diary without their permission. 没有人的允许而读别人的日记是不对的。
I always read my daughter's diary to keep an eye on her. 我总是读我女儿的日记以便于留意她。