a cold-blooded killer的用法和样例：
- Jayson comes to doubt himself, believing that his actions in Timor prove that he has become a cold blooded killer.
- Deviation behavior will make a illiberal cold blood killer,the instability will , only one action make him rejected.
- Your parents pay our a lot for you, but you treat them as a cold blooded animal.
- This strain of wheat can grow during a cold spring.
- The bank robber drew a gun and shot the guard in cold blood.