It was a contemptible trick to tell lies and play on an old friend!

耍弄老朋友是卑鄙伎俩!

It is an excellent thing for ruffianism and an admirable thing for the police to be on such intimate juggling terms with the night.

在偷天换日的伎俩方面能和黑暗势力建立起如此密切的关系，这对盗窃来，是好的，对警务来也是极可贵的。