跟他讲道理是对牛弹琴。
Gēn tā jiǎng dàolǐ shì duìniú-tánqín.
English
Reasoning with him is like casting pearls before swine.
to cast pearls before swine
lit. to play the lute to a cow (idiom); fig. offering a treat to an unappreciative audience; to cast pearls before swine
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
跟他讲道理是对牛弹琴。
Gēn tā jiǎng dàolǐ shì duìniú-tánqín.
Reasoning with him is like casting pearls before swine.
别对牛弹琴了。
Bié duìniú-tánqín le.
Don't waste your words on him.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.