doesn't quite add up(However, he noted that this theory doesn't quite add up as "if that had happened you wouldn't expect it to explode and he’d already drank half the drink so the glass was clearly cold."coasttocoastam.comART Vancouver)
be done for(These shoes are done for.Эти туфли никуда не годятся. If the boss finds out Peter's lack of expertise, he is done for. Если начальник узнает о некомпетентности Петра-он пропал. Сomandor)