scrunch  
verb uk/skrʌntʃ/ us/skrʌntʃ/
  (MAKE A NOISE)      
  [ I or T ](使)嘎吱作响 
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。 
   (CRUSH)      
  [ T ]将…揉成团 
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。 
   (MAKE SMALL)         
 [ I or T, + adv/prep ]缩小;收缩 
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。 
  [ I or T, usually + adv/prep ]扭曲(面部);板着脸 
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。