to prevent

He was unable to prevent a look of interest from flitting across his features

他脸上忍不住掠过一丝感兴趣的神色。

The security forces had to intervene to prevent the situation worsening.

安全部队不得不介入，以防止局势进一步恶化。

They were trying to prevent an even worse tragedy.

他们正在设法避免更大的悲剧发生。

Riot police are being deployed throughout the city to prevent any trouble

正在全城部署防暴警察以防止发生骚乱。

We hope to prevent anything unpleasant from happening.

我们希望防止任何不愉快的事发生。

Care is needed when loading the roll to prevent twisting or kinking the film

装胶卷时要小心，别使胶片扭结。

They are only doing what is necessary to prevent wholesale destruction of vegetation

他们只是在采取必要措施避免大规模的植被破坏。

Prisoners have been placed on lockdown to prevent further violence at the jail.

已对囚犯实行活动限制，以免狱中再出现暴力行为。

Put a lid on to prevent heat escaping.

盖上盖子，以免热气跑了。

The floor is sealed to prevent water penetration.

地板加了密封涂料防止渗水。

We recognized the possibility and took steps to prevent it happening.

我们认识到了这种可能性，并且采取了一些预防措施。

The security forces had to intervene to prevent the situation worsening

安全部队不得不介入，以防止局势进一步恶化。

The police have been trying to prevent them carrying weapons.

警方一直都设法阻止他们携带武器。

The bride's family were scheming to prevent a wedding

新娘家人正密谋阻止婚礼。

Police are out in force to prevent a recurrence of the violence.

警方出动大量警力防止暴力事件再次发生。

We are taking steps to prevent pollution.

我们正在采取措施防止污染。

attempts to prevent a recurrence of the problem

防止问题再次发生的努力

attempts to prevent cancer cell proliferation

防止癌细胞扩散的努力

There was general agreement that every effort should be made to prevent the war from spreading.

人们一致认为应该竭尽全力阻止战事扩大。

This may help to maintain the gains you've made and to prevent backsliding.

这或许有助于保持你所取得的进展，防止倒退。

Urgent talks are going on to prevent the market going into financial meltdown during the summer.

正在进行紧急会谈，以防止市场在夏季出现金融危机。

It was too late to prevent the story from appearing in the national newspapers.

要阻止全国性报纸刊登这件事情已为时太晚。

Be sure to wear the correct footwear to prevent injuries to your feet.

一定要穿合适的鞋，以免脚受伤。

Vitamin K is routinely given in the first week of life to prevent bleeding.

出生后第一周通常要服用维生素K，以防止出血。

Your community officer can give you advice on how to prevent crime in your area

社区工作人员能就如何预防社区内犯罪提供一些忠告。

They took active steps to prevent the spread of the disease.

他们采取积极措施，防止疾病蔓延。

Today the city government has taken measures to prevent a repetition of last year's confrontation

今天市政府已经采取措施，防止去年的冲突重演。

The house has been barred and bolted to prevent re-entry

房子已经被封了，门被闩上，防止有人入内。

The packaging must provide an effective barrier to prevent contamination of the product.

包装必须提供有效的保护，以免产品受污染。

Lemon juice can help to prevent economy-class syndrome by improving blood circulation.

柠檬汁能够改善血液循环，有助于预防经济舱综合征。