对牛弹琴
duì niú tán qínTo try to explain or persuade someone who is incapable of understanding, often resulting in wasted effort.
向小孩讲解量子物理，完全是对牛弹琴。
Explaining quantum physics to children is like casting pearls before swine.
This idiom is often used to describe situations where one's efforts are futile due to the other party's lack of comprehension.
Related Phrases
💡Pro Tip
Usage Context
This idiom is often used in situations where one is trying to explain something complex to someone who lacks the necessary background knowledge.
⚡Gold Rule
Literal vs. Figurative
The literal meaning involves playing the lute for a cow, but the figurative meaning refers to the futility of trying to communicate with someone who cannot understand.
📖Word Origin
The idiom originates from a story in the "Shishuo Xinyu" (世说新语), where a musician named Ji Kang played the lute for an ox, symbolizing the futility of trying to communicate with those who cannot understand.
📝Usage Notes
This idiom is commonly used in both formal and informal contexts to express frustration when trying to communicate with someone who is unwilling or unable to understand.