If you describe a place, organization, or activity as impersonal, you mean that it is not very friendly and makes you feel unimportant because it involves or is used by a large number of people.
Before then many children were cared for in large impersonal orphanages.
在那以前,许多孩子由缺乏人情味的大孤儿院照料。
If you describe someone's behaviour as impersonal, you mean that they do not show any emotion about the person they are dealing with.
We must be as impersonal as a surgeon with his knife.
我们必须像拿着手术刀的外科医生一样不受个人感情影响。
An impersonal room or statistic does not give any information about the character of the person to whom it belongs or relates.
The rest of the room was neat and impersonal.
房间的其余部分整洁干净,没有个人色彩。