two-time
US /ˈtuː.taɪm/
UK /ˈtuː.taɪm/
1.
to be unfaithful to one's partner; to cheat on someone
:
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She found out he was two-timing her with her best friend.
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He's been two-timing his girlfriend for months.
1.
having won a championship or award twice
:
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He is a two-time Olympic gold medalist.
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The team became two-time champions after winning the final game.