disregard hostile opinion
Hu Niu Zuo Ma is a Chinese idiom. Pinyin is h ū Ni ú Zu ò m ǎ, which means that it refers to whether someone scolds or praises them, regardless of whether they are "Hu Niu Hu Ma". From Chuang Tzu, the way of heaven.
The origin of Idioms
Zhuangzi's Tiandao: "in the past, Zi called me Niu, and called me Niu, and called me ma, and called me ma."
Idiom usage
It's natural to listen to people's praise. When the time is not right, and bow to handle my broom, let others Huniu zuoman, only bow. Xu fuzuo's Xiao Guang Ji Wei Di in Ming Dynasty
disregard hostile opinion
just a few words or a short note - piàn yán yī zì