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keep up▼(To stay even or ahead)verb[UK: kiːp ʌp] [US: ˈkiːp ʌp]
keep up with▼(manage to remain beside or just behind)verb[UK: kiːp ʌp wɪð ˈsʌm.θɪŋ] [US: ˈkiːp ʌp wɪθ ˈsʌm.θɪŋ]
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