entrench oneself

• • 挖壕沟防御，进入壕沟固守：

    Our soldiers have entrenched themselves behind the battle lines.

    我们的士兵们在战线后面挖壕沟防御。

  • [比喻]使自己处于稳固(或牢固、有力)地位；扎根于，盘踞于：

    Mary has quickly entrenched herself in the new company, and is liked by all.

    玛丽新到公司很快就处得很好，所有人都喜爱她。