en_tn/act/12/11.md

when Peter came to himself

"When Peter became fully awake and alert" or "When Peter became aware that what had happened was real"

delivered me out of the hand of Herod

"...the hand of Herod" is an expression for "rescued me from the harm Herod had planned for me". (See: rc://en/ta/man/translate/figs-metonymy)

the expectation of the people of the Jews

"what the Jewish leaders thought would happen to me"

realized this

"became aware of this truth"

mother of John whose surname was Mark

"…who was also called Mark"