a belief or opinion, often held by many people and based on how things seem

We have to change the public's perception that money is being wasted. 公众认为是在浪费钱，我们必须改变他们的这种看法。

These photographs will affect people's perceptions of war. 这些照片会影响人们对战争的看法。

the quality of being aware of things through the physical senses, especially sight

Drugs can alter your perception of reality. 毒品会改变你对现实的感知。

someone's ability to notice and understand things that are not obvious to other people

She has extraordinary powers of perception for one so young. 她年纪轻轻就有着非凡的洞察力。

He's not known for his perception. 他的洞察力并不怎么样。