3 sentences

1. 我们不会让他们恐吓我们。

   wǒ​men bù huì ràng tā​men kǒng​hè wǒ​men.

   We won't let them intimidate us.

   Source: OpenSubtitles

2. 他因为收到一封匿名恐吓信而报警了。

   tā yīn​wèi shōu​dào yī fēng nì​míng kǒng​hè xìn ér bào​jǐng le.

   He called the police because he received an anonymous threatening letter.

   Source: Dong Chinese Dictionary

3. 歹徒挥动着手中的匕首试图恐吓路人。

   dǎi​tú huī​dòng zhe shǒu zhōng de bǐ​shǒu shì​tú kǒng​hè lù​rén.

   The thug brandished a dagger to intimidate passers-by.

   Source: Dong Chinese Dictionary