idea
英 [aɪˈdɪə]   美 [aɪˈdiːə]  
n.
主意;想法;概念;构思;印象;意见;看法;信念;感觉;目标
复数： ideas

例句

It would be a good idea to call before we leave.

我们出发之前打个电话是个好主意。

Her family expected her to go to college, but she had other ideas .

她的家人希望她上大学，但她另有打算。

The brochure should give you a good idea of the hotel.

这本小册子详细介绍这家旅馆。