en_tn_condensed/heb/12/25.md

you do not refuse the one who is speaking

"you pay attention to the one who is speaking"

if they did not escape

"if the people of Israel did not escape judgment"

the one who warned them on earth

Possible meanings are 1) "Moses, who warned them here on earth" or 2) "God, who warned them at Mount Sinai"

if we turn away from the one who is warning

"if we disobey the one who is warning"