They shared a skeptical assessment of Soviet motivations.是什么意思？

They shared a skeptical assessment of Soviet motivations.

他们都以怀疑的态度看待苏联的背后动机.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

shared

adj. 共享的，共用的；

例句
She tried to ensure her affection was equally shared among all three children.
她尽力确保三个孩子从自己这里分享到同等的爱。

skeptical

adj. 怀疑性的，好怀疑的，<口>无神论的；

例句
They are skeptical about how much will be accomplished by legislation.
他们对于立法成效心存疑虑。

assessment

n. 评估，评价，（应偿付金额的）估定，（为征税对财产所作的）估价；

例句
I think it may take sometime before we can have an accurate assessment of the damage...
我认为我们对损失作出准确的估算可能需要一段时间。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

soviet

n. 代表会议，劳工代表会议，苏联，苏维埃；adj. 苏联的，苏维埃的；

例句
During the Soviet era and its immediate aftermath, the region was officially known as 'Middle Asia and Kazakhstan'.
在苏联时代和紧随其后的一段时期，该地区的官方名称为“中亚和哈萨克斯坦”。

motivations

n. 动力( motivation的名词复数 )，刺激，行动方式，积极性；

例句
He hailed this week's arms agreement but in the same breath expressed suspicion about the motivations of the United States.
他为本周达成的武器协议而欢呼，但同时又对美国的动机表示怀疑。