This event happened during the time that Peter and the other believers were staying together in the upper room.
These words mark the beginning of a new part of the story. They refer to the period of time after Jesus ascended while the disciples were meeting in the upper chamber. AT: “During that time” (See: rc://en/ta/man/translate/writing-newevent)
“one hundred and twenty people” (See: rc://en/ta/man/translate/translate-numbers)
Here the word “brothers” refers to fellow believers and includes both men and women.
This can be stated in active form. AT: “the things that we read about in scripture had to take place” (See: rc://en/ta/man/translate/figs-activepassive)
The word “mouth” refers to the words that David wrote. AT: “through the words of David” (See: rc://en/ta/man/translate/figs-metonymy)