ㄆㄧㄥˊpíngㄉㄢˋdànˊㄑㄧˊ

  1. 事物平凡沒有特色兒女英雄傳·第一》:老爺說得來平淡無奇瑣碎不見得甚麼驚動去處。」離奇曲折千奇百怪有聲有色

ordinary and mediocre (idiom)​; nothing to write home about
(expr. idiom.)​ ordinaire et médiocre
platt (Adj)​