固守的英文：
adhere

Our forces held fast in a series of fierce clashes.
在一连串的猛烈交锋中，我部队固守阵地。

Initially I just want to keep to the original pureness.
起初我只想固守原本的纯粹。

We were told to hold on to in the position.
我们接到命令要固守阵地。

As a people the Chinese cling strongly to tradition.
作为一个民族，中国人固守传统。

Conforming or adhering rigorously to the practices or creeds of a church.
固守教义的严格坚信或追随教会的习俗或教义

Don' t cling to your old ideas. Be ready to entertain some new ones
不要固守老意见，要能考虑别人的新意见。

Adhesion to the principle of independence and abstract is infraction of the principle of honesty.
固守独立抽象原则是有悖于诚实信用原则的。

It’s the hardest thing in the world to accept a little success and leave it that way. ——Marlon Brando
世界上最难的是不固守那已获得的一点点成功。——布兰多

Adhesion to one stiff way is to lose the "one" and plainness.
而固守一成不变的法，就是失其“一”，失其朴矣。

Adherence to the past is a hindrance.
依附于过去是一种妨碍。

He is an adherent of the teachings of Confucius.
他是孔子的门徒孔子儒教的追随者。

They failed to adhere to our original agreement.
他们未能遵守我们原定的协议。

We adhere to the principle stand of marxism.
我们坚持马克思主义思想原则。

There are absolutely conditions, such as adherence to a moral code.
当然是有条件的，比如对道德准则的坚持。