en_tn_lite_do_not_use/exo/22/27.md

only covering

"only coat" or "only garment to keep him warm"

What else can he lie down in?

This question adds emphasis. You can translate it as a strong statement. Alternate translation: "He will have nothing to wear while he sleeps!" (See: rc://en/ta/man/jit/figs-rquestion)