en_tn/exo/08/29.md

you must not deal deceitfully any more by not letting our people go

This can be stated in positive form. Alternate translation: "you must begin to deal truthfully with us and let our people go" (See: rc://en/ta/man/jit/figs-doublenegatives)

But you must not deal deceitfully

"But you must not deceive us" or "But you must not lie to us"