Keep calm. You shouldn't lose your composure.

"持镇静,不惊慌失措。"

She maintained her composure, though with difficulty, throughout the trial.

尽管十分困难，她在这场磨难中还是持冷静。

Soil conservation is intended to kurb erosion.

土壤持旨在控制水土流失。

In that war England was not an ally; she was neutral.

在那场战争中, 英国不同任何一国结盟, 持中立。

Biscuits will stay crisp if you keep them in an airtight tin.

果你把饼干放到一个密闭的铁罐里, 它就会持松脆。

I was amazed at how well the hair kept its shape.

我惊诧于发型持之好。

As wave crested the sailor grab onto the handspike to maintain balance.

起浪时水手抓绞盘棒以持平衡。

This, I think, is the proper recipe for remaining young.

持青春, 我认为这是一个很好的办法。

We should compose ourselves in the face of fear.

我们在危险时持镇静。

After they had quarrelled there was a pained silence between them.

"他们发生争吵以后,双方都因感情上受到伤害而持沉默。"

Poult delivery trucks should be kept clean inside and outside.

运输雏禽的车辆内外都持清洁。

They keep in touch with their members by issuing a quarterly newsletter.

他们印发内部季刊与会员持联系。

She managed to keep her sanity throughout the ordeal.

在那场磨难中她始终持神志正常。

Keep your eyes peeled, and if you see anything suspicious, call the police immediately.

持警惕，果发现什么可疑迹象，立刻打电话报警。

08 jinny yes,and hold the champion for a so long time!

是的，并且持冠军太长的时间！

There are certain things that are absolutely basic to the maintenance of a good relationship.

持良好的关系, 有些条件是必不可少的。

She is neutral in this argument; she doesn't care who wins.

在这场辩论中她持中立，不在乎谁赢谁输。

It’s important that we work in close liaison with other charities in this field.

在这一领域与其他慈善团体在工作中持紧密联络非常重。

He is mute on the subject of social system.

他对社会制度的问题持沉默。

Bob Beamon’s longstanding record for the long jump was eventually broken.

鲍勃·比蒙长期持的跳远纪录最终被打破了。