I'm going to get someone who'll set you straight.

我会找人来纠正你的错误。

The operator sets you straight when they return to inspect the remains.

当他们返回检查遗体时， 操作员会把你弄直。

That's why I'm here-- to set you straight.

所以我来点醒你。

It's a somewhat strong expression: " I'm going to set you straight" – I'm going to tell you what you're doing wrong Now let's listen to the dialogue, this time at a normal speed.

这是一个有点强烈的表达：“我要纠正你” ——我要告诉你你做错了什么现在让我们听对话，这次以正常速度。