Daily Chinese Idiom Guessing Game
Things are uneven, irregular, or inconsistent in level or quality.
参差长短、高低不齐。形容水平不一或很不整齐。
《诗经·周南·关雎》参差荇菜，左右采之。”汉·扬雄《法言·序目》国君将相，卿士名臣，参差不齐，一概诸圣。”
The quality of the students' work was uneven, with some excellent and others poor.