hidebound

詳細解釋：

hide.bound

adj.（形容詞）
Stubbornly prejudiced, narrow-minded, or inflexible.
思想偏狹頑固的、迂腐的或守舊的
Having abnormally dry, stiff skin that adheres closely to the underlying flesh. Used of domestic animals such as cattle.
皮包骨的：皮膚乾燥，缺乏彈性，緊貼於其下的肌肉。多用於家畜，例如牛
Having the bark so contracted and unyielding as to hinder growth. Used of trees.
樹皮過於緊密而妨礙生長的。用於樹