en_tn/isa/50/06.md

I gave my back to those who beat me, and my cheeks to those who plucked out my beard

Allowing people to beat him and pluck out his beard is spoken of as if it were giving his back and cheeks to them. Alternate translation: "I allowed people to beat me on my back and to pluck out my beard from my cheeks" (See: rc://en/ta/man/translate/figs-metaphor)

I did not hide my face from acts of shame and spitting

Hiding one's face means to protect oneself. Alternate translation: "I did not defend myself when they mocked me and spat on me" (See: rc://en/ta/man/translate/figs-synecdoche)