The structure `鬼鬼祟祟` is an AABB reduplication, a common pattern in Chinese that intensifies the meaning. By doubling both “ghost” and “evil spirit,” the phrase creates an extremely vivid and strong image of someone behaving not just sneakily, but in a downright spooky and untrustworthy way.
The power of `鬼鬼祟祟` is deeply rooted in Chinese folklore and the cultural concept of ghosts (`鬼`). In traditional Chinese culture, ghosts are not just spooky figures but entities that operate in the dark, often with unresolved issues or malicious intent. They are the ultimate symbol of the hidden and the unseen. By applying this “ghostly” description to a person, you are doing more than just calling them “sneaky.” You are tapping into a rich cultural image to say their behavior is unnatural, dishonest, and belongs in the shadows. Comparison to Western Concepts: A close English equivalent is “acting shady” or “skulking around.” However, these phrases lack the supernatural undertone of `鬼鬼祟祟`. While “shady” implies untrustworthiness, `鬼鬼祟祟` paints a more active, physical picture of someone trying to evade notice, much like a ghost haunting a place. It's more visual and carries a stronger sense of condemnation.
`鬼鬼祟祟` is a common, informal term used to describe suspicious behavior in everyday life.