in groups
Group, Chinese idiom, Pinyin is ch é ngq ú NJI é Hu ǒ, which means that many people gather together. From the story of heroes and heroines.
Idiom explanation
So many people come together. Also known as "group"
The origin of Idioms
Chapter 32 of biography of heroes and heroines written by Wen Kang of Qing Dynasty: "it is expected that master an's family had a wedding, and everyone must have a rest. Without taking precautions, they came in groups and wanted to start."
in groups
demolish with penetrating criticism - biān bì zhuó lǐ