What is the meaning of Genesis 4:8?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

Then Cain said to his brother Abel, “Let us go out to the field.” And while they were in the field, Cain rose up against his brother Abel and killed him.

Berean Standard Bible (BSB)

Cain said to Abel, his brother, “Let’s go into the field.” It happened when they were in the field, that Cain rose up against Abel, his brother, and killed him.

World English Bible (WEB)

And Cain{H7014} talked{H559}{(H8799)} with{H413} Abel{H1893} his brother{H251}: and it came to pass, when they were in the field{H7704}, that Cain{H7014} rose up{H6965}{(H8799)} against{H413} Abel{H1893} his brother{H251}, and slew him{H2026}{(H8799)}.

Strong's King James

But Kayin spoke to Hevel his brother and it happened when they were in the field that Kayin rose up against Hevel his brother and killed him.

The F.O.G*

The F.O.G Paraphrase

And Cain saith unto Abel his brother, ‘Let us go into the field;’ and it cometh to pass in their being in the field, that Cain riseth up against Abel his brother, and slayeth him.

Young's Literal Translation