To trample upon practice is to cower before truth.是什么意思？

To trample upon practice is to cower before truth.

对实践的专横就是对真理的恐惧.

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

trample

vt. 践踏，蹂躏，无视，蔑视，侵犯，伤害；vi. 践踏，重重地踩，脚步沉重地走；n. 践踏，践踏声；

例句
Their feet will trample on the dead bodies of their perfidious aggressors.
他们将从背信弃义的侵略者的尸体上踏过。

upon

prep. 在…上面，当…时候；

例句
...the doctrine of absolute monarchy based upon divine right.
以神权为基础的君主专制学说

practice

n. 练习，实践，（医生或律师的）业务，惯例；vi. 实行，惯常地进行，练习，实习；vt. 实行，实践，执业，练习，惯常地进

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

cower

vi. 畏缩，抖缩；

例句
Although it is very cold, don't cower back. Smile amusedly and cheer.
虽然非常寒冷, 但是请不要退缩, 开心的笑一下,加油.

before

prep. 在…之前，先于，优于，当着…的面，与其…；conj. 在…之前，在…以前，比…早些，与其…；adv. 先前，从前，在前，在前方；

例句
He pleaded guilty before a court martial to absenting himself without leave.
在军事法庭上他对自己擅离职守表示服罪。

truth

n. 真理，真相，事实，忠实，忠诚，现实，现实性；

例句
The only one who's anywhere close to the truth is my mother.
唯一算得上了解真相的人是我的母亲。