in cold blood
冷血
A:The murderer was sentenced to life imprisonment.
A:那个杀人犯被判处了无期徒刑。
B:It's a severe punishment, I think.
B:我想这是重刑惩治了。
A:Yeah, because he just killed a man in cold blood.
A:是呀!就因为他残忍地杀了一个人。
B:No wonder.
B:那就不足为奇了。