Word · Frequency #8003
rationale
理由；根据；根本原因
核心释义
The set of reasons or the logical basis for a decision, action, or belief.
- 1.
解释某事的基础或根本原因。
An explanation of the basis or fundamental reasons for something.
- 2.
(法律)根本原因阐释,尤指依据自然规律对装置工作原理的解释
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
- 3.
理由或合理化解释
A justification or rationalization for something.
（尤指对装置运作原理的）根本原因阐释；基本原理；解释某事的基础或根本原因。；(法律)根本原因阐释,尤指依据自然规律对装置工作原理的解释；理由或合理化解释；基本原理；[医] 原理
用法In use
The rationale behind the new policy is to reduce traffic congestion.
用法提示：名词rationale表示做某事的根本原因或逻辑依据。
She explained the rationales for choosing each candidate.
用法提示：复数形式rationales指多个不同的理由或基本原理。
What is the rationale for moving the meeting to next week?
用法提示：名词rationale用于询问某个决定或做法的理由。
the rationale for capital punishment
the rationale for sth
常用结构，表示某事的理由。
The rationale for the new policy is to improve efficiency.
新政策的原理是提高效率。
the rationale behind sth
相关词与表达Connections
搭配Collocations
- underlying rationale
- 根本理由
- The underlying rationale for the policy is to promote efficiency.该政策的根本理由是为了提高效率。
- rationale for
- ……的理由
- Can you explain the rationale for your decision?你能解释你决定的理由吗？
- rationale behind
- ……背后的理由
- The rationale behind the new law is still unclear.新法律背后的理由仍不清楚。
- explain the rationale
- 解释理由
- The professor explained the rationale behind the experiment.教授解释了实验背后的理由。
- provide a rationale
学习提示Learner notes
记忆技巧Memory Tip
理性（rational）的末尾加个e，就像基本原理是理性的依据。
语境与语域Context & Register
基本原理；理由
语法说明Grammar Note
常与介词for连用表示…的理由
发音与拼写Pronunciation & Spelling
这些单词与 'rationale' 的重读音节押韵（/æl/）。注意：拼写为 -ale 的单词（如 pale, male）发音不同，为 /eɪl/。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.