There's a linguistics standard that has to be maintained.

存在必须要保持的语言标准。

You had to maintain a good reputation.

你必须维持良好的名声。

So that balance has to be maintained.

因此，必须保持这种平衡。

Find a style that is easy to maintain.

选择一种更容易维护的造型。

But short enough to maintain the guests attention.

但要短到足以吸引客人的注意力。

So, you drink water to maintain that balance.

所以，你需要喝水来保持平衡。

Gallery designers have a tricky balance to maintain.

画廊设计者要保持一种微妙的平衡。

Additional doses may be necessary to maintain reversal.

可能需要额外的剂量来维持逆转。

To maintain the speed would require an infinite supply.

要保持这种速度需要无限的供给。

This is to maintain the temperature of the duck.

这是为了保持鸭子的温度。

Students are required to maintain silence in the library.

学生在图书馆里必须保持安静。

People want to maintain physical distance.

人们都希望保持距离。

Hygiene is basically a condition conducive to maintaining health.

卫生基本上就是有利于保持健康的条件。

But San Marino has managed to maintain its independence.

但圣马力诺却一直维持着它的独立。

Manatees fart to maintain the right buoyancy in water.

海牛放屁是为了在水中保持适当的浮力。

Yet this freedom has proven increasingly difficult to maintain.

然而，事实证明，这种自由越来越难以维持。

So, why do you have to maintain good posture?

所以，你为何要保持好的仪态？

It is easy to maintain at the same time.

同时也很容易维护。

The giant building cost lots of money to maintain.

这栋庞大的建筑物维修起来耗费甚巨。

Even angry birds have struggled to maintain the buzz.

甚至连愤怒的小鸟也在艰难维持。