to make the noise produced by hard things being pressed together, or to press hard things together so that they make a noise

The pebbles scrunched beneath our feet. 我们脚下的鹅卵石嘎吱作响。

We scrunched snow under our feet. 雪在我们脚下嘎吱作响。

to crush material such as paper or cloth into a rough ball in the hand

She scrunched the letter up and threw it in the bin. 她把信揉成团，扔进了垃圾筒。

to make something or yourself smaller to fit into a small space

The cat was hiding, scrunched up under the sofa. 猫藏了起来，蜷缩在沙发下面。

to make your face or part of your face into a tight shape in order to show an emotion, or to go into a tight shape that expresses an emotion

He was red with anger and his face was all scrunched up. 他气得面红耳赤，板着脸孔。