## When he desired ##
"When Apollos desired"
## pass over into Achaia ##
"go to the region of Achaia." Achaia was a Roman Province that was the southern section of modern Greece.
## wrote to the disciples ##
"wrote a letter to the Christians in Achaia"
## When he arrived ##
"When Apollos arrived"
## Apollos publicly overwhelmed ##
Apollos defeated the Jews in front of other people by his arguments.