entrench

verb

1. fix firmly or securely

Synonym: intrench

2. occupy a trench or secured area

e.g. The troops dug in for the night

Synonym: dig in

3. impinge or infringe upon

e.g. This impinges on my rights as an individual
This matter entrenches on other domains

Synonym: impingeencroachtrench

1. 使（权力、习俗、观念等）根深蒂固
If something such as power, a custom, or an idea is entrenched, it is firmly established, so that it would be difficult to change it.

e.g. ...a series of measures designed to entrench democracy and the rule of law...
旨在巩固民主和法制的一系列措施
e.g. These dictators have entrenched themselves politically and are difficult to move.
这些独裁者在政治上已经站稳了脚跟，很难推翻他们。

1.

1. 挖壕沟以保护,确立：entreat 恳求 | entrench 挖壕沟以保护,确立 | entrust 交托

2. 保卫：entremets 附加菜 | entrench 保卫 | entrenchment 堑壕

3. 进入壕沟：enlist征募,使服兵役 | entrench进入壕沟 | exchange交火

4. 确立,使处于牢固地位：142. omnipresent 无所不在的 | 143. entrench 确立,使处于牢固地位 | 144. egocentricity 自我中心主义