dyed-in-the-wool

That guy is more than stupid. He's a dyed - in - the - wool ignoramus.

那家伙豈止愚蠢,他簡直是徹底無知.

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He is a dyed - in - the - wool reactionary – there is no changing his opinions.

他是 徹頭徹尾 的反動分子——沒法改變他的看法.

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My parents are dyed - in - the - wool traditionalists.

我父母是根深蒂固的傳統主義者.

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