en_tn_condensed/rev/09/14.md

The voice said

The voice refers to the speaker. Alternate translation: "The speaker said" (See: rc://en/ta/man/translate/figs-synecdoche)

the four angels who are bound

This can be stated with an active form. Alternate translation: "the four angels whom God had commanded someone to bind" or "the four angels whom God bound" (See: rc://en/ta/man/translate/figs-activepassive)