to come out thick and fast

• 新事物层出不穷

  endless new things are coming out

• 好人好事层出不穷。

  Good people and noble deeds passed by in an endless stream.

• 花样层出不穷

  there is a myriad of different patterns appearing

• 旧社会反动法令层出不穷

  endless reactionary laws of the old society