5 sentences

1. 这家店的生意非常红火。

   zhè jiā diàn de shēng​yi fēi​cháng hóng​huǒ.

   Business at this shop is booming.

   Source: Dong Chinese Dictionary

2. 这家茶庄的生意非常红火。

   zhè jiā chá zhuāng de shēng​yi fēi​cháng hóng​huǒ.

   This tea house is doing a roaring trade.

   Source: Dong Chinese Dictionary

3. 春节期间，店里的生意非常红火。

   Chūn​jié qī​jiān, diàn lǐ de shēng​yi fēi​cháng hóng​huǒ.

   During the Spring Festival, business at the shop was booming.

   Source: Dong Chinese Dictionary

4. 这种新款手机上市以来，销路一直非常红火。

   zhè zhǒng xīn​kuǎn shǒu​jī shàng​shì yǐ​lái, xiāo​lù yī​zhí fēi​cháng hóng​huǒ.

   Since its launch, the market for this new mobile phone has been very brisk.

   Source: Dong Chinese Dictionary

5. 他在温州市经营着一家皮革工厂，生意很红火。

   tā zài Wēn​zhōu Shì jīng​yíng zhe yī jiā pí​gé gōng​chǎng, shēng​yi hěn hóng​huǒ.

   He runs a leather factory in Wenzhou, and business is booming.

   Source: Dong Chinese Dictionary