脸颊 (liǎn jiá): cheek

The winter wind was cold. She had just come back from outside, and her cheeks were frozen red, like two ripe apples.

When he heard the teacher praise him, Xiaoming lowered his head in embarrassment, and his cheeks suddenly turned bright red.

After finishing his run, he was drenched in sweat; it streamed down his cheeks, and even his clothes were soaked through.