prevent的名词

1. 阻止，妨碍，防止，阻挡，制止，避免
2. 先做
3. 先去，先来，先行，先走一步
4. 预防，防害
5. 预先
6. 迎合（愿望）
7. 预先应付（问题）
8. 【宗】引领
9. 约束，不准，杜绝，抵触
10. 行动在之前
11. 冲突

1. keep from happening or arising; make impossible;

   "My sense of tact forbids an honest answer"
   "Your role in the projects precludes your involvement in the competitive project"
   

2. stop (someone or something) from doing something or being in a certain state;

   "We must prevent the cancer from spreading"
   "His snoring kept me from falling asleep"
   "Keep the child from eating the marbles"
   

1.防止；预防；阻止
Toprevent something means to ensure that it does not happen.

e.g. These methodsprevent pregnancy...
这些方法能防止怀孕。
e.g. Further treatment willprevent cancer from developing...
进一步的治疗将阻止癌症恶化。

2.阻止；制止；阻碍
Toprevent someonefrom doing something means to make it impossible for them to do it.

e.g. He said this wouldprevent companies from creating new jobs...
他说这将使公司无法创造新的工作机会。
e.g. Its nationals may be prevented from leaving the country...
其国民可能会被禁止出境。

prevent from (v.+prep.)

阻止,防止 stop from; keep from
prevent sb/sth from v-ing

My only idea was to prevent the woman from speaking.

我唯一的想法就是不让那女人讲话。

I am very sorry that a previous engagement prevents me from accepting your kind invitation.

很抱歉,因为我已另有约会不能接受你好意的邀请。

Let nothing prevent you from doing your duty.

不要让任何事情妨碍你尽你的职责。

This will prevent them from abusing their power and enjoying special privileges.

这就可以防止他们滥用权力,享受特权。

We should take measures to prevent the flood from threatening that area.

我们应该采取措施防止洪水威胁那地区。

Metals are usually coated with paint to prevent them from rusting.

通常在金属上涂漆以防止生锈。

What prevents rays from entering your eyes?

什么阻止光线进入你的眼睛?

His prompt action prevented the fire from spreading.

他的果断行动制止了火势的蔓延。

Who prevents their plans from being carried out?

谁会阻止他们实施自己的计划呢?

We must try to prevent our environment from being polluted.

我们应该防止环境受到污染。

I have been unavoidably prevented from coming.

我身不由己,不能前来。

I was prevented by illness from joining in the competition.

我因病未能参加竞赛。

Unless we get more funding we'll be prevented from finishing our experimental programme.

我们如果得不到更多的经费,将无法完成实验计划。

They were prevented from stealing the car by a smart policeman.

一名机警的警察使他们盗车未遂。

• The fortunate soil assisted, and even prevented, the hand of cultivation.

  出自：Gibbon

她企图阻止他去,但他还是去了。

误 She prevented him from going, but he still went.

正 She tried to prevent him from going, but he still went.

析 prevent表示“阻止”成功,如果阻止未成功则应该说try to prevent。

谁也不能阻止这个计划的实现。

误 No one can prevent the plan from carrying out.

正 No one can prevent the plan from being carried out.

析 在prevent...from...结构中,若介词from后的宾语有被动意义,则要用动名词的被动形式。

没有什么能阻止他独立作环球航行。

误 Nothing could prevent him to sail round the world single-handed.

正 Nothing could prevent him from sailing round the world single-handed.

正 Nothing could prevent him sailing round the world single-handed.

正 Nothing could prevent his sailing round the world single-handed.

析 表示“阻止某人做某事”,可以说prevent sb from v -ing, prevent sb v -ing或prevent sb's v -ing,但不能说prevent sb to- v sth。