调子的英文：
tune

参考例句：

The meeting ended on a conciliatory and friendly note
会晤以和解而友好的调子结束。

She transposed the song into a different key.
她把这首歌变成另一种调子。

Any one may mouth out a passage with a theatrical cadence.
任何人都可以用演戏似的调子朗诵一段文章。

A high [low] key
高昂的调子

The mood of the music was almost funereal.
音乐的调子几乎像哀乐。

It's entirely groundless that you put on the sarcastic stop
你发出讽刺的调子是毫无根据的。

The dominant in a given key or tonality.
所给调子或音调中的主音.

The tone of the meeting was pleasant and innocuous.
会见的调子是令人愉快和坦率的。

And indeed we have proceeded in accordance with this keynote ever since.
以后实际上就是按这个调子走的。

Some modern music sounds harsh and tuneless.
现代音乐中有一些又刺耳又不成调子.

tune是什么意思：
n. 曲调；歌曲；和谐；调谐；心情；语调
v. 为（乐器）调音；调台，调谐；调试，调整；使和谐，使一致

Our grand is in good tune.
我们的大钢琴音很准。

Every pipe is voiced and tuned.
每支音管都要修音调律。

change one's tune
1.改变态度

the piano was jarringly out of tune.
钢琴走了调，声音很刺耳。

To put(an instrument) into correct tune.
调（乐器）的音，为…调音将（乐器）音调调至正确