there's the rub

idiomPart ofrub

there's the rub — idiom

1. used to point out that the main difficulty or problem in an otherwise good situa

1.idiom
Definition

used to point out that the main difficulty or problem in an otherwise good situation has just been stated.

Example

The house has plenty of space and a lovely garden. There's the rub though — the price is far too high.

Ilan wanted to travel the world, but there's the rub: he had no money saved at all.