completely ordinary and unremarkable; "air travel has now become commonplace"; "commonplace everyday activities"完全に普通で注意をひかない決り切った
repeated too often; overfamiliar through overuse; "bromidic sermons"; "his remarks were trite and commonplace"; "hackneyed phrases"; "a stock answer"; "repeating threadbare jokes"; "parroting some timeworn axiom"; "the trite metaphor `hard as nails'"余りに頻繁に繰り返される陳腐