封顶

listen to the pronunciation of 封顶
Китайский Язык - Английский Язык
fig. to put a ceiling (on spending, prize, ambition etc)
to put a roof (on a building)
fig. to reach the highest point (of growth, profit, interest rates)
to top off
to stop growing (of plant bud or branch)
to cap the roof (finishing a building project)