Select the most appropriate idiom from the options to replace the highlighted segment in the given sentence.
After his business failed, he had to reduce spending and adjust to a frugal lifestyle.

Correct option is A

The idiom "tighten his belt" means "to reduce spending and live more frugally."
Correct sentence: After his business failed, he had to tighten his belt and adjust to a frugal lifestyle.
Tighten his belt in Hindi: खर्चे कम करना।
Example: Due to the economic downturn, many families had to tighten their belts.
Meanings of other options:
· Hit the nail on the head: To say exactly the right thing.
· Hindi: सटीक कहना।
· Let the cat out of the bag: To reveal a secret.
· Hindi: राज़ खोलना।
· Kick the bucket: To die (informally).
· Hindi: मर जाना।