沉陷 Traditional form: 沉陷 Pinyin (reading): chénxiàn Definitions: to sink; to cave in; (of a building etc) to subside (fig.) to get lost (in contemplation, daydreams etc) Characters: 沉 - to sink, to submerge; profound, deep 陷 - to sink, to plunge; trap, pitfall Traditional characters: 沉 - to sink, to submerge; profound, deep 陷 - to sink, to plunge; trap, pitfall