断定

• ピンイン: duàn dìng
• 漢字の分解: 断 = 斤 (axe) + 纟(thread) — cutting through to a conclusion; 定 = 宀 (roof) + 正 (correct) — settling something firmly in place

意味

断定（断定する）

Stronger than 认为 (think/believe) and 判断 (judge/assess). 断定 implies that the speaker is highly confident in their conclusion based on evidence. Used in formal analysis, legal, academic, and investigative contexts. Often paired with a cautionary phrase: 不能轻易断定 (cannot draw hasty conclusions).

例文

1. 侦查人员根据现场证据断定，案发时间在午夜前后。
2. 不能仅凭单一指标就断定一个学生的综合能力高低。
3. 专家小组经过反复论证，最终断定该项目在技术上完全可行。

使い方ガイド

場面: law, analysis, research, investigation

トーン: authoritative

正しい言い方

• 法医报告断定死亡时间为事发当晚十点至午夜之间，为侦破案件提供了关键依据。(The forensic report determined that the time of death was between ten o'clock and midnight on the night of the incident, providing a key basis for solving the case.)
• 不应凭借有限的样本数据就轻易断定实验结论，需扩大研究规模后再作评估。(One should not draw experimental conclusions lightly based on limited sample data; the research scope must be expanded before evaluation.)

避ける言い方

• 我断定你明天来 — 断定 is based on evidence and reasoning, not expectation or social convention; say 我相信你明天会来 or 我估计你明天来

起源と歴史

断 (cut/decide — to cut through ambiguity) + 定 (determine/fix as settled)

文化的背景

世代: All ages

社会的背景: Universal