她立刻同意了我的主意。

She fell in with my idea at once.

《牛津词典》

我完全没了主意。

I'm right out of ideas.

《牛津词典》

我改变主意的最重要原因就是这个。

The principal reason for my change of mind is this.

《柯林斯英汉双解大词典》

Warren Buffett said it was not my idea. We are not controlling margins if you have option exchanges.

巴菲特说这不是我的主意，如果你有,期权交易的话我们不会控制保证金的。

斯坦福公开课 - 经济学课程节选

because I said, "Listen, I got a great idea, let's go for it." And she did exactly what I said.

因为我说：“听着，我有个好主意，我们研究吧。”我怎么说她就怎么做。

中国学生的特点 - SpeakingMax英语口语达人

Looks like a good idea to me, but she says, we're having a lot of trouble selling it.

这在我看来是个绝好的主意,但她说,她们的保险销售遇到很多问题

耶鲁公开课 - 金融市场课程节选