sky and the earth turning upside down (idiom); fig. complete confusion
翻 · 18 strokes
Phonosemantic compound. 羽 represents the meaning and 番 represents the sound.
天 · 4 strokes
Depicts a person (大) with an emphasized head. Based on the original meaning "head". The meaning later shifted to "top", "high", and "sky".
覆 · 18 strokes
Phonosemantic compound. 襾 represents the meaning and 復 represents the sound.
地 · 6 strokes
Phonosemantic compound. 土 represents the meaning and 也 represents the sound.
改革开放以来,中国发生了翻天覆地的变化。
sky and the earth turning upside down (idiom); fig. complete confusion; everything turned on its head