The absence of the leaders could cast a cloud over the summit.

这些领导人的缺席可能会为本届峰会蒙上一层阴影。

It is casting a cloud over my whole life.

它给我的一生蒙上了一层阴影。

The allegations cast a cloud over the mayor’s visit.

【cast】这些说法给市长的访问投下了阴影。

Not the Inquisition of Seville, nor the German Vehmgericht, nor the secret societies of Italy, were ever able to put a more formidable machinery in motion than that which cast a cloud over the state of Utah.

塞维尔的宗教法庭、日尔曼人的叛教律以及意大利秘密党所拥有的那些庞大的行动组织等等，比之于摩门教徒在犹他州所布下的天罗地网，都是望尘莫及的。