the quiddity of matter
essential quiddity
the quiddity of life
1. The philosopher attempted to define the quiddity of the human soul.
哲学家试图定义人类灵魂的本质
2. We must look beyond appearances to find the true quiddity of the issue.
我们必须透过表象，寻找问题的真正本质
3. The artist captured the quiddity of the landscape in her painting.
艺术家在画作中捕捉到了这片风景的神韵
A: Do you think we can truly understand the quiddity of life?
A：你认为我们能真正理解生命的本质吗？
B: It is a complex question that philosophers have debated for centuries.
B：这是一个哲学家们争论了几个世纪的复杂问题。
1) 本质；核心特征
2) 事物的固有属性
3) 怪异或奇特之处
1. 本质；核心特性
e.g.
The quiddity of the matter was quite simple.
事情的本质其实非常简单
noun
1. The inherent nature or essence of something.
Synonym: essence, nature, core