I bet Dan will sing a different tune when he finds out what the salary is.

我打赌当丹发现薪水是多少的时候，他就会改变态度了。

In many dictionaries, the official definition of "to sing a different tune" is "to change the way one talks about something.

在多数词典中，官方对”唱不同曲调”的定义是”改变对事情的态度”。

However there are still others who need to be pleased and because bluegrass music cant sing a different tune!

但是仍然有其他人谁需要高兴，因为兰草音乐不能唱唱反调！

When she learned that I was a bank director, she began to sing a different tune.

当她得知我是银行经理，她的态度就好起来了。

A "tune"is another word for a short song. "Sing a Different Tune".

在多数词典中，官方对”唱不同曲调”的定义是”改变对事情的态度”。

She did not sing as we did, It was a different tune, Herself to her a music As Bumble-bee of June.

她不像我们那样， 给自己唱一支音乐，那是另一种曲调像六月的大黄蜂。