（以正式或官方的方式）全体一致地;一起地
If people do something in a body, they do it together as a group, in an official way.
The cleaning staff went in a body to the manager to complain. 清洁工一起去找经理投诉。
They gathered together and came in a body.
They went in a body to the palace to see the king.
We proceeded in a body to the church to take up the matter with the priest.
The men went in a body to the embassy to beg for protection.
See also: body (GROUP OF PEOPLE)