庸劣

(1)moderate to inferior in quality; "they improved the quality from mediocre to above average"

(2)品質において下位に加減する

(3)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'"

(4)余りに頻繁に繰り返される

(5)酷使して馴染みすぎた

(1)