天昏地暗
tiānhūn-dì’àn
chaotic; intense (as in 打得天昏地暗)
Every meaning
tiānhūn-dì’àn
- (fig.) chaotic; intense (as in 打得天昏地暗)
- dark sky; murky (from wind and dust)
Its characters
Words with 天
Words with 昏
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.