主意的英文是idea。idea 英[aɪˈdɪə] 美[aɪˈdi:ə] n. 主意,想法; [哲] 理念,观念; [乐] 乐句; 模糊想法; [例句]It's a good idea to plan ahead提前做计划是个好主意。Some of his ideas about democracy are entirely his own. 他关于民主的一些观点完全是他自己的创见。This table will give you some idea of how levels of ability can be measured 这张表格会让你大致了解能力水平可以怎样评估。By the end of the week you will have a clear idea of what your eating habits are到这周末你便会清楚自己的饮食习惯了。I had an idea that he joined the army later, but I may be wrong. 我猜他后来参军了,但也可能我猜得不对。
a good idea一个好的想法、一个好主意例句:1. Some people welcome it with applause. They claim it is a good idea. 一些人极力赞成这个观点,他们认为这是一个好的想法。2. You can also supposedly think better after exercise, so it would also be a good idea to exerciseyour body immediately before you exercise your brain.做完运动你往往能更好地思考,所以锻炼你的大脑前直接锻炼你的身体也是一个好的想法。