RobH_en_tn/luk/17/13.md

they lifted up their voices

The idiom "to lift up one's voice" means to speak loudly. Alternate translation: "they called with loud voices" or "they called aloud" (See: rc://en/ta/man/translate/figs-idiom)

have mercy on us

They were specifically asking to be healed. Alternate translation: "please show us mercy by healing us" (See: rc://en/ta/man/translate/figs-explicit)