en_tn/2co/11/24.md

forty lashes minus one

This was a common expression for being whipped 39 times. 40 lashes was assumed to kill a person.

I have spent a night and a day on the open sea

Paul was referring to floating in the water after the ship he was on sank.

in danger from false brothers.

AT: "and in danger from people who claimed to be brothers in Christ, but who betrayed us."