忽上忽下
hū​shàng​hū​xià

to go up and down

  1. 忽 hū adverb
    alternating
    Used in repeating patterns to mean "now... now..." or "sometimes... sometimes...", describing rapid alternation between states.
  2. 上 shàng particleverb
    to go up
    to climb; to board a vehicle; to mount; to go to a place
  3. 忽 hū adverb
    alternating
    Used in repeating patterns to mean "now... now..." or "sometimes... sometimes...", describing rapid alternation between states.
  4. 下 xià verb
    to descend
    to go down; to get off or out of a vehicle; to leave a stage or field; to go towards a place (often southwards or towards the grassroots)