Sentence examples for heating up from inspiring English sources

The phrase "heating up" is correct and commonly used in written English.
You can use it to describe a situation or event that is becoming more intense, exciting, or competitive. For example: - The race for the presidency is really heating up as the candidates launch their final campaigns. - The stock market is heating up, with prices rising rapidly. - The argument between the two coworkers was heating up, and it looked like it was about to turn into a full-blown fight. - The oven needs to preheat for at least 10 minutes before the temperature starts heating up. - The summer weather is finally heating up, and it's the perfect time to go to the beach.