tune up
第三人称
tunes up
现在进行时
tuning up
过去式
tuned up
过去完成时
tuned up
1
调音, 调整
to adjust a musical instrument so that it plays in the correct pitch
- Before the concert, the guitarist took a moment to tune up his instrument.
音乐会开始前，吉他手花了一点时间来调音他的乐器。
- The piano hadn't been played in years, so it needed a professional to tune it up.
这架钢琴已经多年没有弹奏了，所以需要专业人士来调音。
- She always makes sure to tune up her violin before rehearsals to avoid sounding off-key.
她总是在排练前确保调音她的小提琴，以避免听起来走调。
- The band spent an hour backstage to tune up their instruments before the performance.
乐队在演出前花了一个小时在后台调音他们的乐器。
- He decided to tune up his old guitar so he could start playing again.
他决定调音他的旧吉他，这样他就可以重新开始演奏了。
反义词：
2