English Dictionary

acid test

noun

(figuratively) A rigorous test or appraisal of the quality or worth of something. / (historical) In the 1960s, a party based around the use and advocacy of the psychedelic drug LSD ("acid").

The acid test revealed the true quality of the product.

意味（1）

(figuratively) A rigorous test or appraisal of the quality or worth of something.

The acid test: will the British public abide by such stringent guidelines about where they should stand, walk or sit in our stations and on our trains, when they have been used to a turn-up-and-go railway where they enjoyed freedom having bought their ticket?

意味（2）

(historical) In the 1960s, a party based around the use and advocacy of the psychedelic drug LSD ("acid").