Her father's illness cast a cloud over her wedding day.

她父亲的病给她的结婚喜庆日蒙上了一层阴影。

《牛津词典》

And it shall come to pass, when I bring a cloud over the earth, that the bow shall be seen in the cloud.

我使云彩盖地的时候，必有虹现在云彩中。

youdao

They were told this week that they might lose their coveted AAA ratings unless their shareholders provide more capital, which would cast a cloud over municipal bonds.

本周这些债券保险人被告知，要想维持它们所希望的AAA评级，就必须让其股东注入更多资本，这无疑为市政债券蒙上了一层阴影。

youdao

Air traffic over much of Europe came to a halt for six days because of the huge cloud of ash from a volcano in Iceland.

VOA: special.2010.04.23

A big cloud of smoke rose high in the air over Fort Sumter.

VOA: special.2009.08.13

A large fire then broke out, engulfing several shops and spewing a cloud of gray smoke over the area.

VOA: standard.2009.10.28

Wendell cited some recent statistics that would sort of cast a cloud over that view.

WHITEHOUSE: Press Briefing

With such a cloud over its corporate future, Starwood converted the REIT portion of its business into a taxable corporation.

FORBES: Boy Wonder Gets Distracted

And they can't be prosecuting crimes, they can't represent us, if the attorney general has a cloud over him.

NPR: Barbershop: What's the Buzz?