1. 根深蒂固的：deep-sea 深海的 | deep-seated 根深蒂固的 | deep-set 牢固的

2. 深埋的：deep-seated wrench-fault深部扭断层 | deep-seated深埋的 | deep-set深陷的

3. 深层的：deep-seapelagianpelagic 远洋的 | deep-seated 深层的 | deep-set 深陷的

4. 在内心深处：Deep-rooted Be root in 根深蒂固 | deep-seated 在内心深处 | constitute 构成威胁

1. 根深蒂固的;难以改变的
A deep-seated problem, feeling, or belief is difficult to change because its causes have been there for a long time.

e.g. The country is still suffering from deep-seated economic problems.
该国仍然受到根深蒂固的经济问题的困扰。
e.g. ...our morbid and deep-seated fear of death.
我们对死亡近乎病态而且根深蒂固的恐惧

adj

1. (used especially of ideas or principles) deeply rooted
firmly fixed or held

e.g. deep-rooted prejudice
deep-seated differences of opinion
implanted convictions
ingrained habits of a lifetime
a deeply planted need

Synonym: deep-rootedimplantedingrainedplanted