Meaning of gào fā:
gào fā
告发
Verb
to lodge an accusation
Tā yīnwèi kàn dào bù gōngzhèng de shìqíng ér xuǎnzé gàofā.
他因为看到不公正的事情而选择告发。
He chose to lodge an accusation because he saw something unfair.
Noun
accusation (law)
Tā de yǒnggǎn gào fā jiēlù le zhēnxiàng.
他的勇敢告发揭露了真相。
His brave accusation revealed the truth.