entrench
US
UK entrench [sth] vtr: figurative (establish, secure)
SC 牢固地建立 láo gù de jiàn lì
SC 加固, 巩固(比喻)
The government is seeking to entrench property rights in the constitution.
entrench [sb] vtr: (military: dig a trench) (军事)
SC 挖筑（壕沟） wā zhù （ háo gōu ）
The soldiers were entrenched on the left flank.
entrench yourself vtr + refl: (military: dig a trench)
SC 保护 bǎo hù
TC 保護
TC 保護
The soldiers entrenched themselves in bunkers.