较差 jiàochājiàochà range Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: All "jiao4 cha4" meanings All meanings 2 jiàochā 1 range 1jiàochà 1 mediocre 1 1 sentence for 较差 (jiàochà) 由于空气污染严重,该地区的空气质量较差。 yóuyú kōngqì wūrǎn yánzhòng, gāi dìqū de kōngqì zhìliàng jiàochà. Due to severe air pollution, the air quality in the region is relatively poor. Source: Dong Chinese Dictionary