notion

n.

1. 概念, 观念, 看法
   • 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。
2. 突然的念头, 奇想; 意图, 打算
   • 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。
   • 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。