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V2 |
maintain, preserve, keep up, conserve | keep in safety and protect from harm, decay, loss, or destruction | ||
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V1 |
keep up, keep abreast, follow | keep informed | ||
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V2 |
sustain, keep up, prolong | lengthen or extend in duration or space | ||
|
V1 |
keep up | maintain a required pace or level | ||
|
V2 |
keep up | prevent from going to bed at night |