【数见不鲜】〖shuò jiàn bù xin〗[encountered with many times; What is frequently seen is not strange; common occurrence; nothing new]

数策凿龟鬼眨眼，

见财起意哄骗钱。

不得人心面可憎，

鲜廉寡耻众怒犯。

对于常来之客，就不宰杀禽兽招待。指常常见到，并不新奇。For frequent visitors, do not slaughter animal entertainment. Refers often seen, not novel. 同：屡见不鲜。