3 sentences

1. 不要告发我。

   bù yào gào​fā wǒ.

   Don't turn me in.

   Source: OpenSubtitles

2. 他向警方告发了邻居的偷窃行为。

   tā xiàng jǐng​fāng gào​fā le lín​jū de tōu​qiè xíng​wéi.

   He reported his neighbor's theft to the police.

   Source: Dong Chinese Dictionary

3. 我会告发你，但那就等于承认我认为你是个威胁。

   wǒ huì gào​fā nǐ, dàn nà jiù děng​yú chéng​rèn wǒ rèn​wéi nǐ shì gè wēi​xié.

   I would turn you in, but that would be an admission that I think you're a threat.

   Source: OpenSubtitles