Verb:

1. fix firmly or securely

2. impinge or infringe upon;

   "This impinges on my rights as an individual"
   "This matter entrenches on other domains"
   

3. occupy a trench or secured area;

   "The troops dug in for the night"
   

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

e.g. ...a series of measures designed toentrench 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。

entrenched
The recession remains deeply entrenched.
经济颓势依旧毫无松动。

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

• A camp which they had strongly entrenched.

  出自：Wellington

Sexism is deeply entrenched in our society.

性别歧视在我们这个社会根深蒂固。

entrenched attitudes/interests/opposition

顽固的态度；固有的利益团体；顽固的反对

...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

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。

A new year looks sure entrench old resentments.

新的一年看起来会让不满持续下去.

To hold on stubbornly, as to a position; entrench oneself.

固执地坚持立场; 稳固自己的地位.

SIA and Singapore need to entrench themselves in the new Asia , where China calls the shots.

新航和新加坡都需要在新亚洲延伸自己的触角, 而中国正在成为新亚洲的领袖.

They entrench themselves behind undeniable facts.

他们在无可否认的事实后面固守著自己.

It would entrench the position of incumbent institutions that are already too large and too diverse.

而对那些目前就已太过庞大和庞杂的机构来说,其地位还将借此得到巩固.

Will the economic crisis force change, or entrench privilege?

经济危机会推动改变, 还是保护特权?

Now China needs a leader who understandings that only freedom can entrench prosperity.

现在,中国需要一位深谙自由才是中国长久繁荣之保证的领导者.