to start discussing the most important issue
Thesaurus: to discuss somethingsynonym
Main entry: brass
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get down to brass tacks
informal : to start to discuss or consider the most important details or facts about something
We finally got down to brass tacks and decided to work out a schedule for the project.
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Main Entry: ↑brass
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get down to brass tacks — see ↑brass
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Main Entry: ↑tack
Useful english dictionary. 2012.