Word · Frequency #19966
threefold
三倍的
Three times as great; triple.
- 1.
Three times as great.
三倍大的。
- 2.
Triple.
三重的。
三倍大的。；三重的。；三重的
In use
The new subway line caused a threefold increase in property values nearby.
The population of the town is now threefold what it was in 1990.
The team achieved a threefold growth in the number of users within six months.
threefold + noun
The company reported a threefold increase in profits.
该公司报告利润增长了三倍。
be + threefold
此处 threefold 作表语，表示‘有三重的’或‘三倍的’
The benefits of this approach are threefold.
这种方法的好处有三重。
Common mistakes
The profit increased by threefold.The profit increased threefold.
“threefold”用作副词时本身表示“三倍地”，因此不需要再用介词“by”。直接修饰动词即可。
The cost increased threefold times.The cost increased threefold.
“threefold”已包含“三倍”之意，后面再加“times”造成语义重复。应去掉“times”或将“threefold”改为“three times”。
Connections
Collocations
- a threefold increase
- 三倍的增长
- The company reported a threefold increase in profits this year.公司报告今年利润增长了三倍。
- a threefold reduction
- 减少到三分之一
- There has been a threefold reduction in the number of accidents since the new rules.自新规定实施以来，事故数量减少到三分之一。
- a threefold purpose
- 三重目的
- The new program serves a threefold purpose.新项目具有三重目的。
- a threefold division
- 三重划分
- The book follows a threefold division into history, theory, and practice.这本书按历史、理论和实践分成三部分。
- a threefold benefit
- 三重好处
- The plan offers a threefold benefit: saving time, money, and energy.这个计划有三大好处：省时、省钱、省力。
Learner notes
Memory Tip
记忆：three（三）+ fold（折叠），像把纸折三折变成三层，意为三倍。
Context & Register
语域：formal 常见场景：formal reports、academic writing threefold 作形容词时多用于正式或书面语境，如在报告和学术文章中表示“三倍的”；日常口语中通常更常说 three times。
Grammar Note
常用作定语，修饰表示数量或程度的抽象名词，如 increase, reduction 等。
Pronunciation & Spelling
以 -fold 结尾的单词都含有相同的拼写和词尾 /fəuld/，但重音位置不同，使它们与 threefold 不构成严格押韵。fold 和 unfold 因重音在 -fold 上而相互押韵；threefold 重音在 three 上，故不与它们押韵。three 与 threefold 共享开头的 /θriː/ 音。
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.