mano-a-mano

US /ˌmɑː.noʊ ɑː ˈmɑː.noʊ/
UK /ˌmɑː.noʊ ɑː ˈmɑː.noʊ/
1.

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1.

main à main

If someone goes mano a mano with someone else, they compete, argue, or fight:

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A loudmouthed woman was going mano a mano with some officials.