cast a shadow over

US /kæst ə ˈʃædoʊ ˈoʊvər/
UK /kæst ə ˈʃædoʊ ˈoʊvər/
"cast a shadow over" picture
1.

to make a situation less pleasant or hopeful

:
•
The bad news cast a shadow over their celebration.
•
His past mistakes continue to cast a shadow over his career.
:
shadowbe in the shadow ofcastcastingcastecast oncast iron