en_tn/isa/51/21.md

Isaiah continues speaking to the people of Israel.

See, I have taken your hand from the cup of staggering

This means God will stop being angry with them and stop causing them to suffer. (See: rc://en/ta/man/translate/figs-metaphor)

cup of staggering...cup of my anger

See how you translated similar phrases in Isaiah 51:17.