hidebound

这位教授思想保守，拒绝接受任何现代教学方法。

The professor was so ___hidebound that he refused to accept any modern teaching methods.

这家公司保守的政策要求所有文件必须打印三份纸质存档。

The ___hidebound company policy required all documents to be filed in triplicate on paper.

这个守旧的委员会否决了所有不符合百年传统的提案。

The ___hidebound committee rejected every proposal that did not follow the century-old tradition.