notion n.概念,想法,观念,意见
解析:【同】conception, idea, thought
【辨析】
conception指理性的概括活动;
He's got a pretty strange conception of friendship.
他对友谊有一种非常独特的见解。
idea在正式的学术用语中表示观念,思想;
In ideas those two political parties are worlds apart.
那两个政党在思想上有巨大分歧。
除此外,与notion都可泛指念头,想法;
have a good notion of很懂得
have no notion of不明白
I have no notion of resigning.
我没有辞职的意思。
He has no notion of what I mean.
他不明白我的意思.
thought指思想活动,思想,具有一定的系统性.
After some thought he hit on a plan to route the enemy.
他经过一番思考, 想到了一个打垮敌人的办法。