## captain of the temple ##

chief security guard of the temple

## came upon them ##

"approached them" or "came to them"

## They were deeply troubled ##

Peter taught about Jesus and his resurrection from the dead. This troubled the Sadducees because they did not believe in Jesus' resurrection from the dead.

## the number of the men ##

specifically males. Any women and children who were there were not included in the count.

## since it was now evening ##

It was common practice not to question people at night.

## was about five thousand ##

"became about five thousand" or "grew to about five thousand".