The words "detest" and "abhor" mean basically the same thing and emphasize the intensity of hatred. Alternate translation: "You will completely hate" (See: [[rc://en/ta/man/translate/figs-doublet]])
Yahweh cursing something and promising to destroy it is spoken of as if Yahweh were setting the object apart from everything else. This can be stated in active form. Alternate translation: "for Yahweh has set it apart for destruction" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-activepassive]])