gnashers       
noun [ plural ] UK informal humorous uk/ˈnæʃ.əz/ us/ˈnæʃ.ɚz/
 牙齿
teeth
  George's smile showed gleaming white gnashers. 乔治微笑时,露出闪闪发光的白牙。 
 - More examples
 - The dentist might give you a whole new set of gnashers.
 - They called me Dracula because of my gnashers.
 - The boy leapt up and sunk his gnashers into the man's pointing finger.
 - The image shows a wolf, gnashers glinting, looking hungry.
 - There was a set of false gnashers in a glass beside the bed.