It describes something that has the power to settle an issue or decide a final outcome.
Word in 30 Seconds
- Refers to a factor that determines the final outcome.
- Used to describe crucial moments or influential decisions.
- Implies absolute importance and power to change results.
Overview
- 1概览：“决定性”是一个形容词，由“决定”和“性”构成，指某种力量或因素对事物的最终走向具有主导性的影响力。它是衡量事物轻重缓急的核心词汇。2) 用法模式：通常放在名词前作定语（如：决定性的作用），或放在系动词后作谓语（如：这一步至关重要，具有决定性）。它常与“作用”、“因素”、“意义”、“时刻”等名词搭配。3) 常见语境：该词多用于正式场合，如体育竞技、历史事件、商业谈判或科学研究。例如，描述一场球赛的最后一球，或影响公司命运的战略决策。4) 近义词辨析：与“关键性”相比，“决定性”程度更深，强调那种“非它不可、有它即成”的绝对影响力；而“关键性”侧重于重要程度，但不一定能完全左右结果。
Examples
这次谈话对他未来的选择起到了决定性的作用。
everydayThis conversation played a decisive role in his future choices.
该发现具有决定性的科学价值。
formalThe discovery has decisive scientific value.
这是决定性的一票，由你来定。
informalThis is the deciding vote, it's up to you.
该因素被认为是导致经济衰退的决定性原因。
academicThis factor is considered the decisive cause of the economic recession.
Common Collocations
Common Phrases
起决定性作用
Play a decisive role
具有决定性意义
Have decisive significance
决定性的一步
A decisive step
Often Confused With
Keyness emphasizes importance, while decisiveness emphasizes the power to finalize an outcome.
Grammar Patterns
How to Use It
Usage Notes
The word is primarily used in formal or serious contexts. It is rarely used in casual conversation unless discussing high-stakes situations. Always pair it with abstract nouns like 'role', 'factor', or 'moment'.
Common Mistakes
Don't use it to describe trivial things like 'a decisive cup of coffee'. It sounds unnatural. Ensure the context involves a significant change or outcome.
Tips
Focus on the outcome
Use this word when you want to emphasize that without this specific factor, the result would have been completely different.
Avoid overuse in casual speech
It sounds a bit dramatic for everyday small talk. Use it for significant events or serious discussions.
Used in historical narrative
It is frequently used in Chinese history textbooks to describe battles or policies that changed the fate of a dynasty.
Word Origin
Derived from '决定' (to decide) + '性' (suffix for nature/property). It literally means 'the nature of having the power to decide'.
Cultural Context
Reflects a culture that values the impact of individual events on long-term success. Commonly used in political and historical discourse in China.
Memory Tip
Think of a 'Decisive' moment in a game where the score is tied; that one goal decides the winner.
Frequently Asked Questions
4 questions“关键”通常指重要，是成功的前提；“决定性”则更进一步，指该因素直接导致了最终结果的产生。在语势上，“决定性”比“关键”更强。
可以，但它带有一定的正式感。在口语中，如果想表达相似意思，人们有时会用“至关重要”或“起决定作用”。
可以，通常用副词如“极其”、“具有”、“发挥了”等词语来加强其程度。
通常形容事物、因素或决策。如果要形容人，通常说“他起到了决定性的作用”，而不是直接说“他很决定性”。
Test Yourself
这场比赛的最后一次射门起到了___的作用，帮助球队赢得了冠军。
因为射门直接导致了赢球的结果，所以是决定性的。
以下哪个短语搭配最自然？
“因素”是抽象的名词，常与“决定性”搭配。
请根据提示造句：这次会议/对于/项目/有/决定性/意义。
正确的语序是主语+对于+宾语+有+形容词+名词。
Score: /3
Summary
It describes something that has the power to settle an issue or decide a final outcome.
- Refers to a factor that determines the final outcome.
- Used to describe crucial moments or influential decisions.
- Implies absolute importance and power to change results.
Focus on the outcome
Use this word when you want to emphasize that without this specific factor, the result would have been completely different.
Avoid overuse in casual speech
It sounds a bit dramatic for everyday small talk. Use it for significant events or serious discussions.
Used in historical narrative
It is frequently used in Chinese history textbooks to describe battles or policies that changed the fate of a dynasty.
Examples
4 of 4这次谈话对他未来的选择起到了决定性的作用。
This conversation played a decisive role in his future choices.
该发现具有决定性的科学价值。
The discovery has decisive scientific value.
这是决定性的一票，由你来定。
This is the deciding vote, it's up to you.
该因素被认为是导致经济衰退的决定性原因。
This factor is considered the decisive cause of the economic recession.
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