He said he didn't want the job anyway, but it sounded like sour grapes to me.
Он сказал, что в любом случае не хотел эту работу, но мне это показалось кислым виноградом.
Definitions
Sour grapes is a phrase used to describe a situation where someone pretends to despise or belittle something they cannot have, often as a way to cope with disappointment or envy.
