bite off more than one can chew

bite off more than one can chew  {v. phr.},  {informal}
Пытаться сделать больше чем ты можешь; быть самонадеянным, слишком уверенным в своих возможностях.
He bit off more than he could chew when he agreed to edit the paper alone.
He started to repair his car himself, but realized that he had bitten off more than he could chew.
Категории: {informal} {v. phr.}