Extremecruelty and lack of mercy have always been these gangsters' characteristics. We must crack the case as soon as possible so as to reduce the number of sufferers.
心狠手辣是这伙儿歹徒的一贯特点，我们一定要尽快破案，减少受害者的数量。
3
It was the most extreme example of cruelty to animals I had ever seen.