snarl  
 verb [ I or T ] uk/snɑːl/ us/snɑːrl/
  (SOUND)      
  (尤指狗)龇牙低吼;(人)咆哮,吼叫
(especially of dogs) to make a deep, rough sound while showing the teeth, usually in anger or (of people) to speak or say something angrily and forcefully
  The dogs started to snarl at each other so I had to separate them. 两条狗开始互相龇牙威胁,所以我不得不把它们分开。 
 [ + speech ] "Go to hell!", he snarled. “见鬼去吧!”他咆哮道。 
   (TWIST)      
 US交缠起来;使…交缠 
to become twisted together and difficult to separate; to make something become twisted together 
  The yarn snarled as she unwound it. 毛线在她解开时交缠了起来。 
 That old brush will snarl your hair. 那把旧梳子会让你的头发缠起来。 
 snarl  
noun [ C ] uk/snɑːl/ us/snɑːrl/
  (SOUND)      
  嗥叫;咆哮
a deep, rough sound, usually made in anger
  The dog gave a low snarl so I quickly drew my hand back. 那只狗低吼了一声,我就赶快把手抽了回来。 
 "Take your hands off me!" she said with a snarl. “把你的手拿开!”她吼道。 
   (MESS)      
 缠结在一起的东西
an untidy mass of things that are twisted together
  She tried to comb the snarls out of her daughter's long hair. 她试着梳开女儿长头发里的缠结。 
 a snarl of blankets on the bed 床上缠在一起的一堆毯子