before (or after) the committing of a crime
作案前（或后）
an accessory before the fact.
案前同谋。
something that must be accepted as true and unchanging, even if it is unpleasant
客观事实；无法更改的事实
it is a fact of life that young girls write horrible things about people in their diaries.
一个不争的事实是女孩在日记中把人描绘得很可怕。
precise details
精确的细节
information about sexual functions and practices, especially as given to children
（尤指对儿童讲的）性知识
the truth
真相，事实
In reality or in truth; actually.
实际上，确实情况；事实上