incognizant

She was completely incognizant of the dangers lurking in the forest.

用法提示：incognizant 意为“未意识到的”，常与介词 of 连用，表示对某事无知。

Many people remain incognizant of the subtle changes in their environment.

用法提示：incognizant 作为形容词，描述一种缺乏认知的状态。

The manager was incognizant of the fact that his team was struggling.

用法提示：incognizant 与 of 搭配，表示对特定事实的无知。