acuteness

常见例句

But she said it with a hesitation that did not escape the acuteness of the child.
但她说话时有点犹豫，这没有逃过孩子犀利的目光。
The growing prevalence of Alzheimer's has also heightened anxiety about mental acuteness.
老年痴呆症的流行也增加了人们对于大脑敏锐程度的担心。
dict.cn
As odd as this seems, whether it's simply the acuteness of the five known senses or a sixth sense that we humans don't possess, there's nothing paranormal or unnnatural about it.
这看起来古怪，但不管这只是简单的灵敏的五感还是我们人类所没有的第六感，都没有什么不正常或是不自然的。