1.notion作“概念,观念,看法”解时,常接that引导的从句作notion的同位语。
2.notion作“突然的念头,奇想,意图,打算”解时常接动词不定式或“of+v-ing”作定语。
3.notion作“理解,明白”解时前面常用no, any, some修饰,其后可接of引导的介词短语,也可接what引导的同位语从句。

One common Chinese notion is that the elders ought to be respected.中国人共有的一种观念是长者应受到尊敬。
He has no notion of economy.他完全没有节约的观念。
Your head is full of silly notions.你满脑子都是愚蠢的想法。
He had a sudden notion to visit all his relatives.他心血来潮,突然想去拜访他所有的亲戚。
He had no notion of running the risk.他不想冒这个险。
He has no notion of the difficulty of this problem.他不了解这个问题的难处。
I haven't the faintest notion what you're talking about.我对于你所讲的话一点儿也不懂。

notion, concept, conception, idea, thought
参见idea条。

［同义词］   idea, concept