dyed-in-the-wool

lankoina värjätty">lankoina värjätty

parantumaton, pesunkestävä, vannoutunut, henkeen ja vereen puhekieltä Dyed before being formed into cloth.
puhekieltä Firmly established in a person's beliefs or habits; deeply ingrained in the nature of a person or thing.

Smith was a dyed-in-the-wool typist and never really got used to writing on computers.

John Major was described by his opponents as a dyed-in-the-wool Conservative.