维持

有些教师觉得难以维持课堂秩序。

Some teachers find it difficult to keep their classes in order .

他们的首要目标是维持低成本。

Their overriding aim was to keep costs low .

他们靠他挣的那点钱无法维持生活。

They can 't exist on the money he 's earning .

那段婚姻仅维持了一星期，期间从未同房。

The marriage lasted only a week and was never consummated .

他们在街头演奏音乐，勉强维持生活。

They scraped a living by playing music on the streets .

在特护期间给他使用了生命维持设备。

He was put on a life-support machine in intensive care .

这个地区靠航运业维持生活。

The community depends on the shipping industry for its survival .

英国军队被派遣协助维持和平。

British forces have been assigned to help with peacekeeping .

他一天工作16个小时，工资仅够勉强维持生计。

He worked a 16-hour day for a subsistence wage .

他为维持吸毒的恶习而走上犯罪的道路。

He turned to crime to support his drug habit .

他就靠每周不到100英镑来维持生活。

He has to manage on less than £ 100 a week .

选举制度是维持议会民主所必不可少的。

Elections are essential for the sustenance of parliamentary democracy .

不管你如何仔细，他们都维持不了很久。

They don 't last long no matter how careful you are .

他的地位已难以维持，因此他被迫辞职。

His position had become untenable and he was forced to resign .

警察负责维持治安。

The police are the preservers of law and order .

政府努力维持治安。

The government struggled to maintain law and order .

他越来越难以靠他的工资维持生计了。

It was becoming more and more difficult to live on his salary .

她靠做自由撰稿记者来维持生计。

She earns her living as a freelance journalist .

既要花力气又要有心计才能维持生存。

It took energy and cunning just to survive .

病人亲属要求有权拒绝使用机器维持生命。

Families want the right to refuse life support .

她病情危急，靠机器来维持生命。

She 's critically ill , on life support .

诚实是维持一切良好关系的基本原则。

Honesty is the bedrock of any healthy relationship .

这一制度维持了几个世纪。

This system perpetuated itself for several centuries .

必须有出口，才能维持我们的经济。

Exporting is necessary for our economic survival .

当你每周就靠100元维持生活时，20元可是个大数目。

$ 20 means a lot when you live on $ 100 a week .

我们现在靠社会保障金维持生活。

We 're living on the social now .

关键在于联邦政府对通货膨胀率的控制能维持多久？

The key is , how long can the federal government control the inflation rate ?

他们勉强维持着朝不保夕的生活。

They eke out a precarious existence .

他们挣的工资不够维持基本生活。

They were on starvation wages .

明年他们得举债1000万英镑才能维持下去。

They will have to borrow £ 10 million next year , just to stay afloat .