I'm glad you changed your mind, Amanda.很高兴你改主意了

change one's mind改变主意

She is constantly changing her mind.

她经常改变主意。

She couldn't walk, much less write.她不能走路，更别提写字了

much less更不必说； 何况

I didn't even see him, much less speak to him.

我见也没有见到他，更谈不上和他说话了。

She knows no English, much less German.

她不懂英语，更不用说德语了。

Either you show yourself out or I will have you escorted.要么你自行离开，不然我就请你出去了

either ... or不是 ... 就是 ...

Either you or he has made the mistake.

不是你，就是他弄错了。

She is coming either today or tomorrow.

她不是今天就是明天来。