prevent的解释是什么

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

prevent, block

这二者都可表示“阻止”,其区别是：

prevent表示某种障碍阻止某人做某事, block指有效地堵住了所有的通道,使人、物等无法通过。例如:

Bad weather prevented us from starting.恶劣的天气使我们不能动身。

Heavy snow blocked our road.大雪堵住了我们的去路。

prevent, hinder

这组词的共同意思是“阻止,使某事受阻”,指有意或无意中形成的干扰。其区别是：

prevent指“阻止”某事发生或存在; hinder指“延缓”某一事物的进行。

prevent, preclude

这组词都表示“阻止”。其区别在于:prevent强调存在不可逾越的障碍, preclude则强调存在某种情况、条件或预防措施而阻止了某事的发生。

block，bar，hinder，obstruct，prevent，hamper

这些动词均含有“阻止、阻塞”之意。

block语气强烈，指有效堵住了通道，使人或物无法通过。

bar含义与block很接近，指阻塞通道或禁止出入，但有暗示不用障碍物的阻止或禁止。

hinder语气较轻，多指阻碍、拖延人或事，强调使进展速度缓慢下来。

obstruct正式用词，语气强，多指以干扰或设置障碍的方式阻碍交通，使不能自由畅通。

prevent含义广泛，指采取预防措施或设置障碍去阻止某人或某事。

hamper侧重因受到约束或阻碍而造成的行动困难。