1.knock down 击倒；拆卸

The angry man knocked him down.
那个愤怒无比的人将他击倒了jEfjbssjs)iwN8u4%6h。

I carelessly knocked the chair down.
我不小心将椅子撞倒了ct|3a_lN*MF7。

2.political culture 政治文化

An intriguing feature of this theme is its dual critique of our recent political culture.
这一主题的最令人兴奋的特点是其对于当下政治文化的双重批评Vqi5SBwHT#。

Yet what we have instead is a political culture in which one side sneers at knowledge and exalts ignorance, while the other side hunkers down and pretends to halfway agree.
然而，我们的政治文化已经变了，变成了如今的一边蔑视知识，却赞扬愚蠢；而另一边半蹲下身，装作一副基本同意的姿态!deLiv^vZ@x。