1、Low class punks.
一群低級的小丑。

2、In the Song dynasty, canal transport was escorted by low class army generals with boat soldiers.
宋代漕運由低級武臣押綱，又有舟卒隨船，是其重要特點。

3、We do not deal in low class silver jewels.
我們不經(jīng)營低檔的銀飾。

low class翻譯