1.
rapid progress, continuous advancement
Steady and constant progress or development; advancing day by day and month by month.
FOUR-CHARACTER IDIOM (四字熟語):
日進 (daily progress) + 月歩 (monthly advance)
Etymology
"Advancing day by day, progressing month by month" - emphasizing continuous improvement.
Common patterns
- 日進月歩の技術 (rapidly advancing technology)
- 日進月歩で発展する (to develop rapidly)
- 日進月歩の世の中 (a rapidly changing world)
Usage
Commonly used when discussing technological development, medical advances, or any field experiencing rapid change.