Meaning and Usage
"乌云" literally means 'dark clouds' or 'black clouds' and is commonly used to describe the thick, dark clouds that often signal bad weather such as rain or storms. Beyond the literal meteorological sense, it can also be used metaphorically to describe a gloomy or troubled mood, as if dark clouds are hanging over someone's expression or situation.
Common Collocations
- 乌云密布 (wūyún mì bù): thick dark clouds covering the sky, often used to describe an impending storm.
- 乌云压顶 (wūyún yā dǐng): dark clouds pressing down, metaphorically describing a heavy or oppressive atmosphere.
Usage Notes
When using "乌云" in conversation, it often sets a somber or serious tone, especially when describing weather or emotions. It is more poetic and vivid than simply saying "黑云" (black clouds). Avoid confusing it with "白云" (white clouds), which have a positive or neutral connotation.
Common Confusion
Do not confuse "乌云" with "云" alone, which simply means 'cloud'. "乌云" specifically emphasizes the darkness and heaviness of the clouds, often implying bad weather or a negative mood.