## sharp disagreement ##

Paul and Barnabas could not come to an understanding or agreement.

## that they separated  ##

"that Barnabas and Paul separated"

## and sailed away ##

"and they sailed away" (See: [[rc://en/ta/man/translate/figs-ellipsis]])

## by the brothers ##

"by the believers at Antioch"

## went through Syria and Cilicia ##

These are provinces in Asia Minor, north of the island of Cyprus.

## strengthening the churches ##

"making the churches spiritually strong"