keep up

动词 v.
中文释义

英文释义

动词 v.
  1. To maintain; to preserve; to prevent from deteriorating or falling. transitive
    — This was the West Lancashire Railway, an ambitious but feckless little concern which, in a life lasting a quarter of a century, never earned a dividend, failed to keep up its debenture payments (despite a dangerous attempt to do so by issuing more debentures) and ended up in the hands of a receiver.
  2. To continue with (work, etc). idiomatic,transitive
    — Non obstante the Change of Religion, the Plough-boies, and also the Schooleboies will keep-up and retain their old Ceremonies and Customes and priviledges.
  3. To stay even or ahead. idiomatic,intransitive
    — They ran so fast I could hardly keep up.
  4. To ensure that one remains well-informed about something.
    — I always try to keep up with (or "keep up on") current affairs.
  5. To prevent someone from going to bed or to sleep
    — The crying baby kept me up all night
  6. To use capital letters as much as reasonable. obsolete

词形变化

keeps up present,singular,third-person keeping up participle,present kept up participle,past kept up past

词源

From Middle English kepen up (“to perpetuate, maintain, preserve”), equivalent to keep + up.
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