火热 (huǒ rè): fiery; burning; fervent; ardent; passionate

As soon as this TV drama aired, it became popular and turned into the hottest topic of the summer.

The workers on the construction site kept working despite the scorching sun.

After three passionate years of dating, their relationship is now even more stable.

This shopping festival attracted a large number of consumers, and both online and offline promotional activities were very lively.