易混淆的单词： Setback

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Bagehot watched mr cameron handle the grim setback with assurance .

本人看着卡梅伦用自信地处理了这残忍的挫折。

How serious is this setback ?

此计划失败了会有多严重？

Mr akesson calls it a big setback .

艾克森称这是一个巨大的退步。

How much of a setback to growth do these twin crises represent ?

这一双重危机对经济增长的阻碍会有多大？

Observers are unsure how to interpret the setback announced by leaders at the apec summit .

观察家们尚不确定如何解读apec峰会上领导人声明在立场上的倒退。