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1·He's been beavering away at the accounts all morning.

他一上午都在忙于做账。《牛津词典》

2·I've been beavering away at this for hours.

我已经忙了好几个小时了。

3·We watch him beavering away at his painting.

我们眼看着他拼命地画。

4·He has been beavering away at the work for months.

他已认真从事那个工作有好几个月的时间了。

5·Others were beavering away to see if they could find suppressed information on the far reaches of the web.

其他人忙来忙去看他们能否在网络所及之内找到那份被扣下的证据。

6·France, which had the second-biggest share of oil deals under the programme, has also been beavering away.

在石油换食品计划的石油交易中占据第二大份额的法国也已在努力行动了。

7·While Lomas was beavering away a dejected Diamond was going for dinner with his wife and daughter in Manhattan.

当洛马斯在拼命工作的时候，在曼哈顿，神情沮丧的戴蒙德正和妻子女儿一起前去吃饭。

8·Already companies are beavering away at technologies that will make it easier, say, for people to use voice commands and gestures to control all kinds of gadgets.

许多公司已在努力开发新的技术，使人们更易操作，比如使用声音命令及姿势来控制所有的小设备。

9·If it seems unlikely that the likes of Barack Obama and Silvio Berlusconi have passionate feelings on this, then at least there is an army of technicians beavering away on their behalf.

如果诸如奥巴马和贝卢斯科尼这样人看起来对此不敢兴趣的话，那么至少要有一批专家为了自身的利益而埋头苦干。

10·Webmasters like these have helped us create better and more popular blogs, and without the cooperation of others we'd have nothing to show for the long hours spent beavering away at our desks!

这些站长喜欢帮助我们创造更好，更流行的博客，并没有其他人合作，我们就没有任何时间显示为长花了我们的课桌成天埋头啃书！

(1)eager beaver做事非常卖力气的人，做事勤奋的人（特别指做事过于卖力气以讨好上司的人）