This refers to unclean and clean things. Something that God considers spiritually unacceptable or defiled is spoken of as if it were physically unclean. Alternate translation: "things that are unclean and things that are clean" (See: [[rc://en/ta/man/translate/figs-nominaladj]] and [[rc://en/ta/man/translate/figs-metaphor]])
This speaks of the people ignoring and not observing the Sabbath and if they were hiding their eyes from the Sabbath" Alternate translation: "They ignore my Sabbaths" (See: [[rc://en/ta/man/translate/figs-metaphor]])