en_tn_condensed/sng/01/06.md

scorched

This exaggeration for "burned" or "made black" refers to the sun changing her skin from light to dark. (See: rc://en/ta/man/jit/figs-hyperbole)

My mother's sons

"My half-brothers." These brothers probably had the same mother as the woman but not the same father.

made me keeper of the vineyards

"forced me to take care of the vineyards"

but my own vineyard I have not kept

The woman compares herself to a vineyard. Alternate translation: "but I have not been able to take care of myself" (See: rc://en/ta/man/jit/figs-metaphor)