en_tn/luk/22/20.md

This cup

The word "cup" refers to the wine in the cup. Alternate translation: "The wine in this cup" or "This cup of wine" (See: rc://en/ta/man/jit/figs-metonymy)

the new covenant in my blood, which is poured out for you

Here "blood, which is poured out" represents death. Jesus's death will establish the new covenant that God will make with his people. Alternate translation: "the new covenant that God will put into effect because I have shed my blood for you" (See: rc://en/ta/man/jit/figs-metonymy)