a/the twilight world (of something) | the twilight zone
a state in which things are strange, mysterious or secret; a state that exists on the dividing line between two things一个或一个世界的（事物的）暮色世界：事物处于奇怪，神秘或秘密状态的状态；在两件事之间的分界线上存在的状态
the twilight world of the occult魔法的虚幻世界
The dissidents lived in a twilight world of hushed voices and secret meetings.持不同政见者生活在一个沉默的声音和秘密会议的朦胧世界里。
the twilight zone between living and merely existing生活和生存之间的模糊地带
They lived in the twilight zone on the fringes of society.他们生活在社会边缘光怪陆离之处。