en_tn/1ki/15/03.md

He walked in all the sins

Walking represents living, and walking in sins represents committing those sins. AT: "Abijah continued to practice all the sins" (See: rc://en/ta/man/translate/figs-metaphor)

that his father had committed before his time

Since these verses refer to several kings, it may help to include the name of Abijah's father. This information can be made clear. AT "that his father, Rehoboam, had committed before Abijah's time" (See: rc://en/ta/man/translate/figs-explicit)

his time

This phrase represents the time that he was king. The meaning of this can be made clear. AT: "before Abijah was king" (See: rc://en/ta/man/translate/figs-explicit)

his heart was not devoted ... as the heart of David

The heart represents the whole person. AT: "Abijah was not devoted ... as David" (See: rc://en/ta/man/translate/figs-synecdoche)