tune(sth)up
—phrasal verbwithtuneverb[T]uk/tʃuːn/us/tuːn/
(INSTRUMENT)
Ifmusicianswho arepreparingtoplaytuneuptheirinstruments, they makesmallchangesto them so that theyproducethecorrectnotes.
调节，调试（乐器）
After theorchestrahadtunedup, theconductorwalkedon to thestage.管弦乐队调试好音准之后，指挥走上了台。
Hebegantotuneup hisviolin.他开始调试他的小提琴。
(ENGINE)
totuneanengine
调节发动机
(PREPARE)
topreparefor something, or topreparesomething for something,especiallyby makingsmallchangestoimproveit
（尤指通过作出细微改变）为…做好准备
Microsoft istuningupforthereleaseofitslatestoperatingsystem.微软正在为公布新版本的操作系统而做好准备。
Thegroupspentseveralweekstuningupitsactbefore thetourbegan.团队花了几个星期为巡演作准备。