en_tn_condensed/luk/02/37.md

a widow for eighty-four years

Possible meanings are 1) she was a widow and was now 84 years old, or 2) she became a widow and lived another 84 years.

She never left the temple

"She was always at the temple" or "She never stopped going to the temple"

with fastings and prayers

"by abstaining from food on many occasions and by offering prayers"