cast a gloom over (something)

Translations
омрачить (что-то)
The news of the accident cast a gloom over the entire office.
Новость о несчастном случае омрачила весь офис.
Definitions
To make a situation, event, or atmosphere feel sad, depressing, or less joyful; to cause people to feel unhappy or discouraged about something.
Words
cast

verb
бросать
a

article or possessive pronoun
какую-то
gloom

noun
мрачную тень
over

preposition
на
something

pronoun
что-то