To stick rigidly to old rules or methods, lacking flexibility and adaptability; to be dogmatic and inflexible.
面对市场快速变化的需求，如果我们仍然胶柱调瑟，不思创新，最终只会被淘汰。
If we still stick rigidly to old methods and fail to innovate in the face of rapidly changing market demands, we will eventually be eliminated.
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