Английский словарь американских идиом - hit bottom

or touch bottom {v. phr.}, {informal} 1. To be at the very lowest. * /In August there was a big supply of corn and the price hit bottom./ * /When Johnny failed the exam his spirits hit bottom./ 2. To live through the worst; not to be able to go any lower. * /After all their troubles, they thought they had hit bottom and then something else happened./ * /When they lost all their money they thought they had touched bottom and things would have to get better./