Cast a shadow(idiom)
To fill a place with sadness, grief, dread, or any strong negative emotion.
Hindi meaning:उदासी और निराशा भरना
Synonyms: Disappoint, Discourage, Demoralize, Disillusion
Antonyms: Optimistic, Hopeful, Positive, Cheerful
Example: The child's sudden death cast a dark shadow over the house.
Trick to remember: Inki shadow me se bi Cast a shadow ho rha hai. 
