idea/aɪ'dɪə/

n.

➊ a suggestion or plan for doing sth

➋ understanding or knowledge of sth

➌ an opinion or belief

n.

➊ [C] 主意，意见，打算，想法：I've had an idea — why don't we go swimming? 我有个主意——我们为什么不去游泳？

◇[idea of doing sth] I like the idea of having a walk after supper. 我喜欢晚饭后去散步的建议。

◇[it is a good idea to do sth] It's a good idea to go to the cinema tonight. 今晚去看电影是个好主意。

➋ [S; U] 了解，知道：[idea of sth] The book gives you an idea of what the planet is like. 这本书能让你了解这个星球的情况。

◇[have no idea wh-] I have no idea where he is. 我不知道他在哪儿。

➌ [C] 看法，信念：[idea about (doing) sth] She has some strange ideas about marriage. 她对婚姻有一些奇怪的看法。

(that's a) good idea 好主意；好办法：“How about going skating?” “Good idea!” “去滑冰怎么样?” “好主意!”

常犯错误

✗ I like the idea to go by train.

✓ I like the idea of going by train. 我觉得乘火车去的建议不错。