en_tn_lite_do_not_use/psa/119/151.md

all your commandments are trustworthy

"I can trust your commandments"

covenant decrees

Other possible meanings are "testimonies" or "laws." See how you translated this in Psalms 78:5

set them in place

The psalmist speaks of Yahweh's commands as if they were posts set in the ground. AT: "given them for people to obey" (See: rc://en/ta/man/translate/figs-metaphor)