Question

build on

Accepted Answer

to add
  on by building: The hospital is bigger now- they built a new wing on in 1977.
  2 to use (a previous success etc) as a basis from which to develop: You've
  had some success - you must build on it now. 3 to base (hopes, success etc)
  on (something): I've built all my hopes on this book being published.

Success Build Built Add Building Hospital Bigger Wing