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acid test

noun
/ˌæsɪd ˈtest/
/ˌæsɪd ˈtest/
(also litmus test)
[singular]
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  1. a way of deciding whether something is successful or true决定性考验;严峻的考验
    • The acid test of a good driver is whether he or she remains calm in an emergency.在紧急情况下能否保持冷静是对好司机的严峻考验。
    • The perception of fairness is the acid test for democracy.对公平的感知是对民主的严峻考验。
    • This type of stone is the acid test of a climber’s ability.这种石头是对登山者能力的严峻考验。
    Topics Successc2
    Word Originfiguratively, from the original use which was a test for gold using nitric acid.

See also: acid test

acid test
General words for tests and testing: test, trial, experiment...

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