They got a battering ram to smash down the door.

他们用一个攻城木粉碎了大门。

DOOMSTONE — Use this armored semi truck to smash down concrete and steel defenses!

DOOMSTONE—驾驶这辆全副武装的小卡车，撞击混凝土钢筋防御工事！

The police had to smash the door down.

警察不得不破门而入。

Blackshaw had created a Facebook event entitled "Smash Down Northwich Town" while Sutcliffe-Keenan set up a Facebook page called "Let's Have a Riot in Latchford".

BBC: Social media talks about rioting 'constructive'

You know, you smash down, you knock down the instability in one region, it's going to pop up somewhere else, and you will always face that threat.

NPR: Gulf Oil Discovery Could Have Far-Reaching Effect

Giving a cocktail of one or two antiviral drugs will smash down the viral levels in the short term, but ultimately will select for the resistant viruses in the long term.

FORBES: Why Aren't There AIDS-Style Cocktails for Hepatitis C?