dyed-in-the-wool

US /ˌdaɪd.ɪn.ðəˈwʊl/
UK /ˌdaɪd.ɪn.ðəˈwʊl/
"dyed-in-the-wool" picture
1.

sejati, murni, tegar

having very strong beliefs, opinions, or habits that are not likely to change

:
He's a dyed-in-the-wool conservative.
Dia seorang konservatif sejati.
She's a dyed-in-the-wool optimist, always seeing the bright side.
Dia seorang optimis sejati, selalu melihat sisi baiknya.