Describes someone or something that appears and disappears unpredictably, making them elusive and hard to track, often implying swift and mysterious movements.
那只小猫在花园里神出鬼没，一会儿在花丛中，一会儿又跑到树顶上，让人很难找到它。
The kitten was elusive in the garden, one moment in the flower bushes, the next on top of the tree, making it hard for anyone to find it.
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