in a way that is harmful to society

There’s been a problem with tourists behaving antisocially on the trains. 游客在火车上的反社会行为一直是个问题。

Too many people act antisocially and drive in a way that puts others at risk. 太多的人存在反社会行为，他们开车的方式把其他人置于危险之中。

in a way that suggests someone does not want to spend time with other people or is unfriendly

He stayed antisocially in the other room and avoided meeting my visiting family. 我家人来访时他很不合群地待在另一个房间里避而不见。

She sat at the table, antisocially staring at her phone all through dinner. 她坐在桌旁，整顿晚餐的时间都盯着手机，一点儿都不合群。