八成

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Character Breakdown

Usage of 八成

The term 八成 (bāchéng) is commonly used in spoken and written Mandarin to express an approximate probability or degree, roughly equivalent to "about 80%" or "most likely." It is often used to indicate a high likelihood but not absolute certainty.

Common contexts

八成 frequently appears in predictions, assumptions, or estimations, such as weather forecasts, exam results, or guesses about someone's knowledge or behavior.

Collocations and patterns

  • 八成 + verb: indicates about 80% chance that something will happen.
  • 八成已经 + verb: suggests the subject has probably already done something.

Nuance and register

八成 is informal and conversational but also acceptable in written language. It conveys a confident guess without being definitive.

Common confusion

八成 should not be confused with exact percentages or absolute certainty. It implies a strong probability but leaves room for doubt, unlike words such as 一定 (definitely) or 确定 (certain).

Example Sentences

He will probably pass this exam with about 80% certainty.

The weather forecast says there is about an 80% chance of rain tomorrow.

He probably already knows this news.