change hands

换主人；易主；转手

to pass to a different owner

The house has changed hands several times.

这房子已几易其主。

change your/sb‘s mind

改变决定（或看法、主意）

to change a decision or an opinion

Nothing will make me change my mind.

什么都不能让我改变主意。

change your tune

(informal) 改变调子；转变态度；变卦

to express a different opinion or behave in a different way when your situation changes

Wait until it happens to him─he‘ll soon change his tune.

等着瞧吧，到他遇上这事时，他很快就会改变调子了。

change sb’s ways

开始过另一种生活；换个活法

to start to live or behave in a different way from before

She might have been paraded as a woman who was working hard to change her ways.

她可能已经被吹嘘成一个靠努力工作改变命运的女人了。

《柯林斯高阶英汉双解学习词典》

chop and change

变化无常；反复变换

to keep changing your mind or what you are doing

If you chop and change jobs like this, you‘ll never get experience.

如果你像这样总是变换工作，你将永远得不到经验。

change up

（开车等）换高一挡，换成高速挡，加速

to start using a higher gear when driving a car, etc.

Change up into fifth.

把车速调高到第五挡。

I accelerated and changed up.

我提了速度，挂上高速挡。

I’ll ……for a change.我想换换胃口……

I’ll take her out to dinner for a change. 我想换换胃口带她出去吃饭。

I’ll take the bus this time just foe a change.我想换换胃口这次做公车去。

Let‘s see a movie for a change.

让我们去看电影，换换口味。