idiom > overcloud
Contents
Clouds clouds
  Explanation: Clouds: Tong is the meaning of red, sometimes referred to as Hongxia; sometimes referred to as a cloud of snow before the uniform clouds. Very thick clouds covered the sky, indicating that snow is coming.
  Source: "Book of Songs Xiaoya Nanshan letter," God with clouds, rain and snow atmosphere atmosphere. "
  Examples: ~, Cold fog colorful. (Ming Xu Zhonglin "Gods" eighty-ninth back)
tóng yún mì bù
  Sky full of clouds
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English Expression
  1. n.:  overcloud
Thesaurus
rain cats and dogs