en_tn/2co/03/16.md

when a person turns to the Lord

Here "turns to" is a metaphor that means to become loyal to someone. AT: "when a person starts to worship the Lord" or "when a person starts to trust in the Lord" (See: rc://en/ta/man/translate/figs-metaphor)

the veil is taken away

God gives them the ability to understand. This can be stated in active form. AT: "God lifts the veil away" or "God gives them the ability to understand" (See: rc://en/ta/man/translate/figs-activepassive)