before (或 after) the fact

before (or after) the committing of a crime

作案前（或后）

an accessory before the fact.

案前同謀。

a fact of life

something that must be accepted as true and unchanging, even if it is unpleasant

客觀事實；無法更改的事實

it is a fact of life that young girls write horrible things about people in their diaries.

一個不爭的事實是女孩在日記中把人描繪得很可怕。

facts and figures

precise details

精確的細節(jié)

the facts of life

information about sexual functions and practices, especially as given to children

（尤指對兒童講的）性知識

the fact of the matter

the truth

真相，事實

in (point of) fact

In reality or in truth; actually.

實際上，確實情況；事實上