talk trash idiom
informal说废话
to say things that do not have a lot of meaning
There are too many radio shows featuring idiots who call in and talk trash all day. 在很多广播节目里，老有一些白痴整天打进电话说些废话。
US informal（尤指不公或残忍地）批评，指责
to criticize other people, especially unfairly or cruelly