cloud

云, 阴暗, 烟雾, 疑团

any collection of particles (e.g., smoke or dust) or gases that is visible; a visible mass of water or ice particles suspended at a considerable altitude; out of touch with reality; a cause of worry or gloom or trouble

以云遮敝, 笼罩, 使黯然

乌云密布, 阴沉

云