build(sb/sth)up
—phrasal verbwithbuildverbuk/bɪld/us/bɪld/built|built
C1
toincreaseorbecomelargerorstronger, or tocausesomeone or something to do this
增强，加强；增大
Tension isbuildingupbetweenthe twocommunities.两个社区之间的关系日趋紧张。
They gave himsouptobuildup hisstrength.他们给他喝汤以增强体质。
It took her tenyearstobuildup herpublishingbusiness.她花了10年时间将她的出版事业发展壮大。