劍橋詞典

the true test of the value of something
真正的考騐；嚴(yán)峻的考騐；決定性的考騐
It looks good, but will people buy it? That's the acid test . 看上去不錯(cuò)，但人們會(huì)買(mǎi)它嗎？這才是真正的考騐。 返回 the acid test