en_tn/luk/22/17.md

took a cup

"picked up a cup of wine"

when he had given thanks

"when he had given thanks to God"

he said

"he said to his apostles"

share it among yourselves

They were to share the contents of the cup, and not the cup itself. AT: "share the wine in the cup among yourselves" or "each of you drink some of the wine from the cup" (See: rc://en/ta/man/translate/figs-metonymy)