en_tn_condensed/2ch/12/14.md

he did not fix his heart to seek Yahweh

Here the word "heart" represents the thoughts and desires. The idiom "fix his heart" means to determine to do something. AT: "he was not committed to seeking Yahweh" (See: rc://en/ta/man/translate/figs-metonymy and rc://en/ta/man/translate/figs-idiom)

to seek Yahweh

Worshiping Yahweh is spoken of as if the person were seeking Yahweh. AT: "to worship Yahweh" (See: rc://en/ta/man/translate/figs-metaphor)