en_tn/heb/10/19.md

the most holy place

the presence of God (See: rc://en/ta/man/translate/figs-metaphor)

his body

AT: "his death"

through the curtain

The curtain in the earthly temple represents the separation between people and God's true presence.

the house of God

all believers

full assurance

a strong feeling of confidence

hearts sprinkled clean

AT: "hearts that God has sprinkled Jesus' blood on and made clean" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-explicit)

sprinkled

See how you translated this in Hebrews 9:18