第三人称单数：tunes up 现在分词：tuning up 过去式：tuned up
1.开始演奏,开始唱;调音,调谐;〔戏谑语〕(孩子)哭起来;(猎狗)咬起来;使发挥全部能力;〔美国〕练习(运动比赛)
2.用化学溶剂清除发动机中沉积物
3.同“tune”
1.if a group of musicians tune up, they make small changes to their instruments so that they can play well together
2.Same as tune
3.to prepare for an event or a situation
tunes uptunes uptunes up