en_tn/psa/119/010.md

With my whole heart

This is an idiom. The heart refers to all of one's emotions, feelings, desires, and will. AT: "with all my being" or "with everything in me" or "sincerely" (See: rc://en/ta/man/translate/figs-idiom)

Do not let me stray from your commandments

Here to disobey God's commandments is described as straying off a path. AT: "Do not let me disobey your commandments" (See: rc://en/ta/man/translate/figs-metaphor)