n.(乐器的)调音者，调弦者，(尤指)钢琴调音师，(收音机、电视机等的)调谐钮，调谐键，(接收无线电信号传输到放大器的)调谐器

原形：tuner复数：tuners

I need to tune my guitar before the performance.
我需要在表演前调音我的吉他。
The tuner helped me adjust the pitch of my piano.
调音师帮我调整了钢琴的音高。
My radio is out of tune, I can't listen to any stations clearly.
我的收音机失调了，我无法清晰地收听任何电台。
He's a professional tuner who specializes in fixing vintage cars.
他是一位专门修复古董车的专业调音师。
Make sure you use a reliable tuner to avoid any mistakes during the concert.
确保你使用一个可靠的调音器，以避免在音乐会中出现任何错误。
She tuned her violin while waiting for her turn to perform.
她在等待演出时调整了小提琴的音准。
The tuner app on my phone is very convenient for quick tuning sessions.
手机上的调音应用对于快速调音非常方便。
We hired a tuner to come and fix our grand piano last week.
上周我们请了一位调音师来修理我们的大钢琴。
His singing was off-key until he used a vocal tuner to correct it.
他的歌声跑调了，直到他使用了声乐调音器才纠正过来。
The tuner made some adjustments to the engine, improving its overall performance.
调音师对引擎做了一些调整，提高了整体性能。