Definition
To offer something valuable or of high quality to someone who does not appreciate or understand its worth.
将珍贵或有价值的东西给予不识货或不珍惜的人，如同对牛弹琴。
Trying to explain the severity of climate change to those who don't care about the environment is like casting pearls before swine.
试图向那些不关心环境的人解释气候变化的严重性，就像对牛弹琴一样。
I spent a lot of time preparing this report, but my boss didn't even look at it; I felt like I was casting pearls before swine.
我花了很多时间准备这份报告，但我的老板甚至没有看一眼；我觉得自己就像在对牛弹琴。
Explaining the nuances of the painting to someone who knows nothing about art is really like casting pearls before swine.
向对艺术一无所知的人解释这幅画的细微差别，真的就像对牛弹琴。