qián​pū​hòu​jì

to advance wave upon wave

  1. qián locativenoun
    front
    (bound form) front; forward; ahead; facing direction. Use 前边 qián​bian or 前面 qián​miàn for the standalone noun.
  2. to fall forward
    (bound form) to fall forward; to fall prostrate; to lie flat on the ground
  3. hòu locativenoun
    behind
    (bound form) back; rear; behind; in the direction of one's back
  4. preposition
    to continue
    (bound form) to continue; to carry on; to follow or succeed