en_tn/1co/10/14.md

run away from idolatry

"decisively get away from worshiping idols" (See: rc://en/ta/man/translate/figs-metaphor)

cup of blessing

Paul uses this expression to describe a cup filled with wine that used in the ritual of the Lord's supper.

is it not sharing in the blood of Christ?

The cup of wine that we share represent us sharing in the blood of Christ. AT: "we share in the blood of Christ" (UDB; See: rc://en/ta/man/translate/figs-rquestion)

The bread that we break, is it not sharing in the body of Christ?

AT: "we share in the body of Christ when we share bread" (UDB; See: rc://en/ta/man/translate/figs-rquestion)

sharing in

"taking part in" or "equally participating with others in"

loaf of bread

a single unit of baked bread that is sliced or broken into pieces before it is eaten.