He'd have been dead before he had a chance to defend himself.

他连为自己辩护的机会都没有就会被杀了
So why do you need us?

那你要我们做什么
Surely a king sits alone in matters of judgment.

国王应当独立进行裁决
And anyway, who are we to judge?

再说我们有何资格评判他人
We all kill plenty.

我们自己都杀人如麻
The purpose of the tribunal is to discover the cause.

建立这个法庭是为了查明缘由
Aristotle's seven causes:

亚里士多德归结人行为的七大缘由
chance, nature, compulsion, habit,

巧合天性强迫习惯
reason, passion, and desire.

理智激情和欲望
You said the killer was seen delivering the blow.

你说有人看到凶手打死人了
What does cause matter if that was the case?

要是这样探寻缘由还有何意义
Cause is everything.

缘由很重要