4 sentences

1. 消息传开后，周围议论四起。

   xiāo​xi chuán​kāi hòu, zhōu​wéi yì​lùn sì​qǐ.

   After the news spread, discussions broke out everywhere.

   Source: Dong Chinese Dictionary

2. 当时谣言四起。

   dāng​shí yáo​yán sì​qǐ.

   Rumors were rampant.

   Source: OpenSubtitles

3. 边关烟火四起，预示着战事将近。

   biān​guān yān​huǒ sì​qǐ, yù​shì zhe zhàn​shì jiāng​jìn.

   Signal fires rising at the borders predicted that war was imminent.

   Source: Dong Chinese Dictionary

4. 由于局势动荡，边境地区烽烟四起。

   yóu​yú jú​shì dòng​dàng, biān​jìng dì​qū fēng​yān sì​qǐ.

   Due to the turmoil, the flames of war are rising everywhere along the border.

   Source: Dong Chinese Dictionary