Correct

转调

/ zhuǎndiào / 
Strokes

Definition

(music) to change key/modulation/(of an employee) to be transferred to another post

Example

As a Verb

modulate

1
Yuèqǔ
乐曲
zài
在
zhèlǐ
这里
yóu
由
C
C
dà
大
diàozhuǎi
调转
wéi
为
A
A
xiǎodiào
小调
  
。

Here the music modulates from C major to A minor.

As a Noun

modulation; inflection; inflexion

As a Verb

(of a government employee, etc) be transferred to another post