现在我觉得我只是在对牛弹琴罢了。
莫把珍珠丢猪前；莫对牛弹琴。
他不是计算机专家，你不必对牛弹琴。
He is not a computer expert; you don't need to cast pearls before swine.
他们示意他举止不当，如同对牛弹琴。
Their hints about his behaviour were like water off a duck's back.
你的劝告对那个男孩来说是对牛弹琴。
不要在猪面前丢珍珠；不要对牛弹琴。
别在猪前扔珍珠，即汉语中的对牛弹琴。
事实上，与这样的人交流就像对牛弹琴。
In fact, talking to this person is the same as talking to a brick wall.
明珠莫投暗。别对牛弹琴。
对他讲笑话是对牛弹琴。
你简直就是对牛弹琴。
不要对牛弹琴。
他太骄傲了，不会接受你的建议的，你只在对牛弹琴。
He is too proud to accept your suggestion, you are casting your pearls before swine.
他太骄傲了，不会接受你的建议的，你只在对牛弹琴。
He's too proud to accept your advice; you are only casting pearls before swine.
talktoa brickwall就是对牛弹琴。
I'm saying talking to my sister is like talking to a brick wall.
稍等片刻，先生们，我还有几句话要讲，不会是对牛弹琴吧。
Wait just a minute, gentlemen, I have a few more pearls to cast.
今天，我将给大家讲的是一个在中国家喻户晓的成语- - -对牛弹琴。
Today, I will tell you that China is a well-known proverb — Duiniudanqin.
今天，我将给大家讲的是一个在中国家喻户晓的成语- - -对牛弹琴。
Today, I will tell you that China is a well-known proverb — Duiniudanqin.
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