/aɪˈdɪə ||; aɪˈdɪə/noun1 [C] an idea (for sth);an idea (of sth/of doing sth) a plan, thought or suggestion, especially about what to do in a particular situation 想法；主意；构想: That's a good idea! 好主意！He's got an idea for a new play. 他构思了一出新戏。I had the bright idea of getting Jane to help me with my homework. 我想出一个好主意，就是让简帮我做作业。Has anyone got any ideas of how to tackle this problem? 有谁知道怎么解决这个问题？It was your idea to invite so many people to the party. 邀请这么多人来聚会是你的主意。
2 [sing] an idea (of sth) a picture or impression in your mind 想法；印象: You have no idea (= you can't imagine) how difficult it was to find a time that suited everybody. 你有所不知，找一个适合大家的时间可不容易呀。The programme gave a good idea of what life was like before the war. 这个节目使你对战前生活有清楚的了解。Staying in to watch the football on TV is not my idea of a good time. 我觉得呆在家里看电视上转播的足球比赛没劲儿。
3 [C] an idea (about sth) an opinion or belief 意见；看法: She has her own ideas about how to bring up children. 在管教儿女方面，她有自己的主张。
4 the idea [sing] the idea (of sth/of doing sth) the aim or purpose of sth 目的: The idea of the course is to teach the basics of car maintenance. 这个课程的目的，就是让同学掌握汽车维修的基本知识。
get the idea to understand the aim or purpose of sth 明了（某事的目标或目的）:
Right! I think I've got the idea now. 是啊！我想我如今明白了。 get the idea that... to get the feeling or impression that... 形成或得到…感觉或印象:
Where did you get the idea that I was paying for this meal? 你怎么会以为这顿饭是由我来付钱的？ have an idea that... to have a feeling or think that... 觉得；认为:
I'm not sure but I have an idea that they've gone on holiday. 我觉得他们度假去了，可是拿不准。 not have the faintest/foggiest (idea)→
FAINT¹