entrench

vt

• ① 1以壕沟围绕(都市、阵地等)2[entrench oneself]挖壕沟防护(自己)
  • The enemy were entrenched at the foot of the hill.敌军在山麓以壕沟防守。
  • The army entrenched themselves on the other side of the river.军队在河的另一边挖壕沟防护自己。

• ②[entrench oneself](对…)固守自己的立场<against>;(在…之中)防护自己<in>
  • They entrench themselves behind undeniable facts.他们在无可否认的事实后面庇护自己。