Keep up
Keep up verb - To continue to operate or to meet one's needs.
Both terms in one sentence
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Observe this promo about the varsity club and see if you can keep up...
Source: Motor Mouth
Cite this Source
Observe and Keep up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/keep_up/observe
Keep up & Observe. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/keep_up/observe>.
Observe or Keep up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/keep_up/observe.
Google Ngram Viewer shows how "keep up" and "observe" have occurred on timeline