out-eat       
verb [ T ] (also outeat) uk/ˌaʊtˈiːt/ us/ˌaʊt̬ˈiːt/ out-ate | out-eaten
 比别人吃得多
to eat more food than someone else
  Despite being super-thin, she would always out-eat her dad. 尽管超瘦,她总是比她爸爸吃得更多。 
 He always out-ate me at the all-you-can-eat buffet.
 - More examples
 - I think I can out-eat anyone when it comes to popcorn - it's just so delicious.
 - The film features a notorious scene with an extreme eating competition where the participants try to outeat one another.
 - It was a big night out where I was out-eaten and out-drunk by all the others.