build (someone/something) up
phrasal verb with build verb uk/bɪld/ us/bɪld/ built | built
C1 增强,加强;增大
to increase or become larger or stronger, or to cause someone or something to do this
Tension is building up between the two communities. 两个社区之间的关系日趋紧张。
They gave him soup to build up his strength. 他们给他喝汤以增强体质。
It took her ten years to build up her publishing business. 她花了10年时间将她的出版事业发展壮大。