rì日dayxīn新newyuè月monthyì异different
changing with each passing day; rapid progress
Literal meaning
day (日) — new (新) — month (月) — different (异)
Origin
A classical four-character phrase describing rapid and continuous progress or change.
Examples
Zhè这ge个chéng城shì市rì日xīn新yuè月yì异，biàn变huà化hěn很dà大。
This city is changing rapidly.
Kē科jì技rì日xīn新yuè月yì异，gěi给wǒ我men们de的shēng生huó活dài带lái来le了hěn很duō多biàn便lì利。
Technology is advancing rapidly, bringing many conveniences to our lives.
Usage & nuances
Highlights the speed and extent of change or progress.
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