我再也不会给约翰提建议了，因为他根本听不进去。我可不想对牛弹琴。

I won't waste good advice on John anymore because he never listens to it. I won't cast pearls before swine.

youdao

我再也不会给约翰提建议了，因为他根本听不进去。我可不想对牛弹琴。

I won't waste good advice on John anymore because he never listens to it. I won't cast pearls before swine.

youdao