dyed-in-the-wool

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

徹頭徹尾的, 根深蒂固的

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

:
He's a dyed-in-the-wool conservative.
他是一個徹頭徹尾的保守派。
She's a dyed-in-the-wool optimist, always seeing the bright side.
她是一個徹頭徹尾的樂觀主義者,總是看到光明的一面。