## we were with you ##

The pronoun "we" refers to Paul, Silvanus, and Timothy but not his audience.   (See: [[rc://en/ta/man/translate/figs-exclusive]])

## to suffer affliction ##

"to be mistreated by others"

## I could no longer stand it ##

The pronoun I refers to Paul.  "I wanted so badly to know". (UDB)

## I could no longer stand it ##

"Stand it" is an idiom for "wanted to know with great desire."  (See: [[rc://en/ta/man/translate/figs-idiom]])

## I sent ##

"I sent Timothy"

## in vain ##

"useless"