防范的英文：
keep away

参考例句：

On guard
警惕,防范

We should be on guard against the enemy's invasion.
我们要防范敌人的入侵。

These badly guarded souls listen
防范不严的心灵便俯首听命了。

It protects against environmental hazards such as wind and sun.
它防范诸如狂风和烈日等环境危害。

These are defensive behaviour patterns which derive from our subconscious fears.
这些防范的行为模式源自于我们潜意识里的恐惧。

I knew there were problems， but I was not prepared for this.
我知道有些问题，但却未防范这一点！

In spite of precautions the facts had filtered out.
尽管小心防范，事实真相还是泄露了出去。

Our deterrent weapons are guarded against accidental explosion or use
我们的威慑武器都有人守卫，防范意外爆炸或使用。

Information operations will affect adversary information and information system while defending ones own.
信息作战就是侵袭对手的信息及信息系统，同时防范自己的不受影响。

Muggers lay for the unsuspecting pedestrian in the dark alley.
拦路抢劫者等候在黑暗的小巷中准备袭击那些毫无防范的行人

keep是什么意思：
v. 保持，处于；继续，重复；使耽搁；抚养；履行
n. 生活费，生活必需品

That news will keep.
那个消息留待以后再宣布。

They keep a shop.
他们经营一家商店。

How are you keeping?
你最近还好吧？

Will this food keep?
这食品能放得住吗？

To keep high quality of products is to keep the everlasting value.
保持产品的高质量，就是保持永恒的价值。

away是什么意思：
adv. 在远处；离开，远离；消失

to kick away; to spurn away
一脚踢开

to die away; to fade away; to vanish; to elapse; to wear away
消逝

She barked the boy away.
她把那男孩喝走了。

give away; make a present of
赠送

Collins frowned and looked away.
柯林斯皱了皱眉头，又往别处看去。