Meaning and Usage
"大幅" (おおはば) is used to describe a large scale or significant degree of change, increase, or decrease. It often modifies nouns related to quantity, size, or extent, such as "increase" (伸び), "reduction" (値下げ), or "revision" (見直し).
Common Contexts
You will frequently see "大幅" in business, economics, and everyday situations where something changes drastically. It conveys a sense of notable impact or importance.
Collocations and Patterns
- 大幅に + verb (e.g., 大幅に増える): indicates a large increase or change.
- 大幅な + noun (e.g., 大幅な改善): describes a significant improvement or change.
- 大幅値下げ: a drastic price reduction, common in sales or marketing.
Register and Nuance
"大幅" is neutral and formal, suitable for written and spoken Japanese, especially in news, reports, and formal discussions. It is not casual slang.
Common Learner Mistake
Learners sometimes confuse "大幅" with "大きい" (big) or "広い" (wide). Remember, "大幅" specifically refers to the extent or scale of change or difference, not just size or width alone.