封頂 [ㄈㄥ ㄉㄧㄥˇ; feng1 ding3]
to put a roof (on a building)
to cap the roof (finishing a building project)
fig. to put a ceiling (on spending, prize, ambition etc)
to top off
fig. to reach the highest point (of growth, profit, interest rates)
to stop growing (of plant bud or branch)
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