the quality of being boring, ordinary, and not original, or something that is like this

What's on show in this programme is the sheer banality of ordinary lives. 这个节目展示的是平凡生活纯粹的平庸一面。

Their conversation was a string of pauses, false starts, and banalities. 他们的谈话是一连串的停顿、口误，还有陈词滥调。