practise groundless criticisms
Slang, Chinese idiom, Pinyin is Shu ō h ē ID à ob á I, which means to describe people's arbitrary comments on things. From children's reunion.
The origin of Idioms
The first part of Yuan Yang Wenkui's children's reunion: "when you get started, you start to make trouble. There's a lot of controversy."
Idiom usage
To make a free comment on people or things.
Examples
You this wench, also follow him so Zhang eyebrow stare an eye son, speak slander, make do with some son. The 60th chapter of Jin Ping Mei CI Hua
practise groundless criticisms
after meal hours or in leisure time - jiǔ hòu chá yú
console oneself with false hopes - shuō méi zhǐ kě
burn the bridge after crossing it - guò qiáo chōu bǎn