好词典

proof

UK //pruːf//US //pruːf//

词源

源自中古英语 'prove',来自古法语 'prover',最终源自拉丁语 'probare',意为'测试、验证'。

noun

❶ 指能够证明某事物真实或正确的证据或事实,常用于法律、科学等需要验证的场合。

“The fingerprints were proof of his presence at the scene.”

(指纹证明了他在现场的存在。)

“She needed concrete proof before believing the rumor.”

(她需要确凿的证据才会相信这个谣言。)

❶ 指数学或逻辑中通过推理得出的结论,即证明过程或结果。

“He spent hours working on the proof of the theorem.”

(他花了几个小时来证明这个定理。)

“The teacher asked the students to write a proof for the problem.”

(老师要求学生为这个问题写一个证明。)

同义词:evidence, verification, confirmation, demonstration, testimony

adjective

❶ 形容某物能够抵抗或防止某种损害或影响,常用于复合词中。

“This phone is water-proof and can survive underwater.”

(这款手机是防水的,可以在水下使用。)

“The safe is bullet-proof and highly secure.”

(这个保险箱是防弹的,非常安全。)

同义词:resistant, impervious, protected, shielded, secure

verb

❶ 指通过测试或验证确保某物的真实性或有效性,常用于制作或检查过程中。

“The baker proofed the dough before baking.”

(面包师在烘烤前让面团发酵。)

“The editor proofed the manuscript for errors.”

(编辑校对了手稿中的错误。)

同义词:verify, check, test, validate, confirm

常见短语

proof of concept — 指通过实验或原型验证某个想法或理论的可行性,常用于技术或商业领域。

“The team developed a proof of concept to demonstrate the new technology.”

(团队开发了一个概念验证来展示这项新技术。)

the proof is in the pudding — 谚语,意为真正的价值或效果需要通过实际体验或结果来验证。

“He claimed his method was better, but the proof is in the pudding.”

(他声称他的方法更好,但实际效果才是关键。)

burden of proof — 法律术语,指在争议中需要提供证据以支持自己主张的责任。

“In court, the burden of proof lies with the prosecution.”

(在法庭上,举证责任在于控方。)