the acid test
真正的考验、严峻的考验、决定性的考验
- It looks good, but will people buy it? That's the acid test.
看上去不错,但人们会买它吗?这才是真正的考验。 - The acid test of a school is 'would you send your own children there?'
“你会将自己的孩子送去那里吗?”这一问题是衡量一所学校的试金石。 - 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一个好司机的严峻考验。