1、平淡的英语：Insipid，英 [ɪnˈsɪpɪd] 美 [ɪnˈsɪpɪd]。

2、她的声音平淡而呆板。Her voice was flat and expressionless.

3、过去这几天似乎比较平淡无聊。The past few days have seemed comparatively flat and emptys.