Correct option is C
The correct meaning of the idiom Get down to brass tacks is (c) To become serious about something.
Given Idiom: Get down to brass tacks – meaning: to start focusing on the most important or practical details of a matter.
Hindi Meaning: महत्वपूर्ण बात पर ध्यान देना
Explanation:
The idiom "Get down to brass tacks" means to start dealing with the real issue, usually after initial discussions or pleasantries.
Meanings of all options:
· Compromise, cooperation between people: Incorrect, this refers to working together.
· Get fired from the job: Not related to the idiom.
· To become serious about something: Correct, as the idiom means to focus on important matters.
· To be ready: Incorrect interpretation.