非预谋(一般)杀人罪通常被定义为在罪犯实施犯罪行为前并无杀人意图的杀人犯罪行为，例如“激情”杀人案件。

Voluntary manslaughter is commonly defined as an intentional killing in which the offender had no prior intent to kill, such as a killing that occurs in the "heat of passion."

即使有强有力的证据表明是（警察）有预谋的杀人，也罕有人检举他们。

Prosecutions are rare even when evidence strongly suggests premeditated killing.

这就不能归属于有预谋谋杀，有预谋的谋杀的唯一目的是为了取其性命。

This is not the case with premeditated murders; the only goal is to take a life.

我们需要知道犯罪是否有预谋。

We need to know whether the crime had been premeditated.

该案是一个典型的预谋杀人案。

This case is typically a cold-blooded murder.