en_tn/mat/17/23.md

him ... he

Jesus is referring to himself in the third person. (See: rc://en/ta/man/jit/figs-123person)

third day

"Third" is the ordinal form of "three." (See: rc://en/ta/man/jit/translate-ordinal)

he will be raised up

Here to raise up is an idiom for causing someone who has died to become alive again. This can be stated in active form. Alternate translation: "God will raise him up" or "God will cause him to become alive again" (See: rc://en/ta/man/jit/figs-activepassive and rc://en/ta/man/jit/figs-idiom)

deeply grieved

very sad and upset, as when a friend or family member dies. See how you translated "grieved" in Matthew 14:9.