en_tn_condensed/luk/18/13.md

standing at a distance

This was a sign of humility. He did not feel worthy to stand closer.

would not even lift up his eyes to heaven

"would not even look up toward heaven"

hit his breast

This is a physical expression of great sorrow, It shows this man's repentance and humility. Alternate translation: "hit his breast to show his sorrow"

God, have mercy on me, a sinner

"God, please be merciful to me. I am a sinner" or "God, please have mercy on me even though I have committed many sins"