crease  
 noun uk/kriːs/ us/kriːs/
  (FOLD)      
  [ C ](布或纸上的)褶痕,皱褶 
a line on cloth or paper where it has been folded or crushed
  He ironed a crease down the front of each trouser leg. 他在每条裤腿的正面熨出一条褶痕来。 
   (CRICKET)     
 [ S ] sports specialized(板球击球手击球的)区域线,击球线 
a line drawn on the ground where the player stands to hit the ball in cricket
 crease       
verb [ I or T ] uk/kriːs/ us/kriːs/
 UK (also wrinkle)压皱;(使)起褶皱 
If cloth, paper, etc. creases, or if you crease it, it gets a line in it where it has been folded or crushed.
  The seat belt has creased my blouse. 安全带把我的衬衫弄皱了。 
 It's a nice dress, but it creases very easily. 这条裙子很漂亮,但很容易起皱。 
 Phrasal verb   
crease (someone) up (使)…大笑
to laugh a lot, or make someone else laugh a lot
  The look on his face just creased me up. 他脸上的表情真把我笑死了。