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1·They threatened to cancel the whole project at a stroke.

他们威胁要一下子砍掉整个项目。《牛津词典》

2·We can't solve all these problems at a stroke.

我们不能一下子把所有问题都解决。

3·You can't change people's opinion at a stroke.

你不可能一下子改变人们的想法。

4·At a stroke, the kingdom would become one-third smaller.

只消此一举，英国的国土面积就会缩小三分之一。

5·You've then got an evens chance of doubling your money at a stroke.

然后你就有一半的机会可以把钱一下子翻一倍。

6·Several hundred men lost their jobs at a stroke when the factory closed.

工厂关闭，几百号人一下子就都失了业。

7·Neither grand plans nor vigilant policing of interim agreements will end this tangle at a stroke.

重要的计划和临时的协议都不会立刻结束混乱。

8·By being tougher on Russia, he will at a stroke improve German relations with central and eastern Europe.

他对俄态度强硬，并将迅速改善德国与中东欧国家的关系。

9·ANGELA MERKEL is telling the world not to expect the October 23rd summit to resolve the euro crisis at a stroke;

安吉拉默克尔在告诉整个世界不要期盼十月的第二十三次峰会能够一下子解决欧元危机；

10·Though such actions will not resolve anything at a stroke, they would over time strengthen moderates in both camps.

虽然这样的行动无法一举解决任何问题，但会延长时间，增强双方阵营的温和势力。

一下子

1·You can't change people's opinion at a stroke.

你不可能一下子改变人们的想法。