snaggle-toothed       
adjective  informal (also snaggletoothed) uk/ˌsnæɡ.əlˈtuːθt/ us/ˈsnæɡ.əl ˌtuːθt/
 牙齿不齐的
having a tooth or a set of teeth that is not straight or regular or that sticks out
  Crocodiles are most easily distinguished from alligators by their narrower, snaggle-toothed snouts. 鳄鱼最容易与短吻鳄区分开来的地方是它们更窄的、长着乱齿的鼻子。 
 The snaggletoothed singer was advised by his manager to see a dentist. 这位牙齿不整的歌手被经纪人建议去看牙医。 
 Compare: snaggled
 - More examples
 - A rat is a long-tailed, snaggle-toothed creature that inspires terror, while a mouse is often seen as cute.
 - The vampire in the movie is so strangely snaggletoothed that his fangs seem a danger only to himself.
 - There are jokes about "snaggle-toothed Brits" on The Simpsons cartoon show.
 - She plays a warty, snaggle-toothed woman who brings magical powers to the task of taming unruly children.