【为所欲为】〖wéi su yù wéi〗[do as one pleases; act on one's own will; act wilfully; be free to do what one likes; have one's full swing]

为富不仁目无法，

所及耳目雇压榨。

欲加之罪工薪扣，

为鬼为蜮阴毒辣。