HSK 6
根深蒂固
[gēnshēndìgù] idiom
deep-rooted; ingrained and hard to change
Example
这种传统观念在当地老一辈人心中已经根深蒂固。
Zhè zhǒng chuántǒng guānniàn zài dāngdì lǎoyībèi rén xīnzhōng yǐjīng gēnshēndìgù.
This traditional mindset is already deeply ingrained in the hearts of the local older generation.