## 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."