- 根深蒂固 [gēn shēn dì gù]
- ingrained; inveterate; become deeply ingrained in ...; deepseated; deep-rooted; deeply rooted and firmly planted -- well-founded; have a firm foundation; having deep roots and a firm foundation; well-established:
The idea took strong root. 这种思想根深蒂固。
There is a deep-seated conservatism running through our society.
The red mark in that wood is in the grain, you'll never get it out.