cognition:
n. 认识知识认识能力Love is an emotional process of contact, learning and cognition.
爱情是一种接触、学习和认知的情感过程。
Our cognition of things cannot be limited to the surface.
我们对于事物的认知不能局限于表面。
It is a book on human learning, memory, and cognition.
这是一本关于人类学习 记忆和认知的书。
understand:
vt. 理解懂获悉推断省略明白
vi. 理解懂得熟悉
I fully understand your motives.
我完全理解你的动机。
Can you understand French?
你懂法语吗
Do you understand the instructions?
你懂得这些指令的意思吗
You'll never get him to understand.
你永远不会使他明白的。