An interlocking of arms by the police held the crowd in check.

Life on Earth will become unsustainable unless population growth is held in check.

人口增长要是不加控制的话，地球上的生命将无法持续发展。

Ambition, according to our teacher, should be held in check.

根据我们老师的说法, 野心需要被约束.

The shelterbelt kept the sand in check.

防护林带挡住了风沙.

The children shouted " Yes " in chorus.

孩子们齐声大喊 " 是 ".

The union members shouted their assent in chorus.

会员们齐声喊叫表示同意.

All the students replied in chorus to the teacher's question.

所有学生齐声回答老师的问题.

" Yes , " the class answered in chorus.

“ 是! ” 全班齐声回答.

They were all singing in chorus.

他们在大合唱.

Their voices blend marvelously as they sing in chorus.

他们合唱时嗓音非常和谐。

The wolves swung in behind, yelping in chorus.

群狼紧随其后,齐声大叫.

They sang in chorus.

他们齐声合唱.

We've argued this point for nearly two hours and we're just going round in circles.

我们为这一点辩论了近两个小时,但仍毫无进展.

" When you , my lover , on a Bamboo horse , Came trotting in circles and throwing green plums . "

郎骑竹马来, 绕床弄 青梅.

The dog sprang to the middle of the road and began leaping and twisting in circles.

那狗跳到大路当中,开始乱蹦、乱跳、乱打滚.

He keeps running around in circles every day.

他整天忙得团团转.

To me, it looks like he's moving in circles, right?

在我看来,他在做圆周移动, 对 吗 ?

The huge wolfhound danced in circles around his mistress.

这条大狼犬围着女主人蹦蹦跳跳地绕圈子。

He seemed to be working hard, but was just running round in circles.

他看起来工作很紧张, 其实不过是在瞎忙一气.

Then he saw one on the surface swimming in circles.

接着他看见其中的一条在海面上绕着圈儿游着.

They run in circles like poisoned mice, and it's all too late.

他们就好象吃了药的老鼠在乱兜圈子, 其实都无济于事.