chéng​shàng​qǐ​xià

to form a connecting link

  1. chéng verbnoun
    to continue
    (bound form) to continue; to carry on a tradition or relationship; to follow on from what preceded
  2. shàng adjectivenoun
    upper
    top; higher; superior; better; used to describe something in a higher position or rank
  3. to begin
    (bound form) to start, initiate, or set out; used in contexts such as departing on a journey or beginning a process
  4. xià determiner
    next
    next in order; latter; second of two parts