en_tn/2ki/06/20.md

open the eyes of these men that they may see

(See: rc://en/ta/man/translate/figs-idiom)

and they saw, and behold

"and they could see again, and what they saw was that"

when he saw them

"when he saw the Aramean soldiers"​

My father

The king is speaking to Elisha the prophet and calling him "father" to show respect.

should I kill them?

AT: "Should I order my army to kill these enemy soldiers?" (See: rc://en/ta/man/translate/figs-synecdoche)