pass-the-acid-test
/ˌpɑːs ði ˈæs.ɪd tɛst/ IELTSAcademic
idiom
To be strong, trustworthy, or effective under close checking or in a difficult situation. It means something still works well when tested hard.
- This proposal passes the acid test.
- Her skills passed the acid test during the interview.
Adinary Nuance
Use pass the acid test when you want to say something proves its real value under pressure. It is stronger than work or succeed, because it suggests careful checking. It is close to stand the test or hold up, but this phrase often sounds more forceful and evaluative.
In other languages
- Vietnamese
- vượt qua phép thử
- Spanish
- superar la prueba
- Chinese
- 经受考验
- Japanese
- 試練に耐える
- Korean
- 시험을 통과하다
Etymology
This phrase comes from chemistry, where acid can test whether a metal is real or valuable. It became a figurative expression in English in the 20th century.
Common phrases
pass the acid testthe acid test of somethingput something to the acid test
Synonyms
Related words
Frequently asked questions
- Is pass the acid test formal or informal?
- It is fairly formal and often used in writing, reports, and speeches.
- What is the difference between pass the acid test and stand the test?
- Both mean something works well under pressure, but pass the acid test sounds more exact and critical.
- Can I use this phrase in business writing?
- Yes. It is useful when judging plans, ideas, products, or performance.