This is the most efficient way to build up and maintain a reasonable level of physical fitness.

How can you maintain a family on $900 a month?

每月900美元怎么能维持一家人的生活？

Her income was barely enough to maintain one child, let alone three.

她的收入养活一个孩子几乎都不够，更不用说三个了。

It is important to maintain a constant temperature inside the greenhouse.

温室内保持恒温很重要。

Prosecutors maintain no deal was made...

原告坚持说不存在任何交易。

The men maintained (that) they were out of the country when the crime was committed.

这几个男人坚持说案发时他们在国外。

The house is large and difficult to maintain.

房子很大，难以养护。

A lot depends on building and maintaining a good relationship with your customers.

和顾客建立并保持良好关系很重要,很多事情要取决于此。

The two countries have always maintained close relations.

这两个国家一直保持着密切关系。

Britain wants to maintain its position as a world power.

英国想保持其世界强国的地位。

Police were sent for to maintain order.

请了警察来维持秩序.

Sports Ministry officers to pick up the tie game order to maintain order and assist records.

体育部干事们配合球赛捡球,维持秩序,协助记录.

Emma: Again, I would stay calm to maintain order in the cabin.

爱玛: 同样地, 我会保持镇定,维持座舱中的秩序.

How to maintain order, develop new passenger source to become first class major issue.

如何保住订单, 并开发新的客源成为头等大事.

Subsequently, the mall police, the police came to maintain order and mediation.

随后, 商场报警, 警方赶来维持秩序并调停.

A Chinese teaching assistant tried to maintain order by asking all to keep quiet.

一名华人助教看不过去,就叫同学安静.

The Speaker of the House of Commons often has to maintain order with a strong hand.

下院的发言人常常不得不用强硬手段维持秩序.

But can't you maintain order there, Major Perry?

但你就不能维持那里的秩序吗, 佩里上校?

They kept some forces in the rear to maintain order.

他们在后方留了一些军队来维持秩序.

The passengers were in a panic now, and even stewardesses couldn't maintain order.

现在乘客们都很惶恐, 女乘务员不能维持机舱内秩序.

Many anti-jamming designs in and hardware, and software structural design assure system safety, reliability and maintainability.

各种软硬件抗干扰的设计以及软件的结构化设计,为系统安全 、 可靠运行与维护提供了保障.