Walking represents living, and walking in sins represents committing those sins. Alternate translation: "Abijah continued to practice all the sins" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Since these verses refer to several kings, it may help to include the name of Abijah's father. This information can be made clear. Alternate translation: "that his father, Rehoboam, had committed before Abijah's time" (See: [[rc://en/ta/man/translate/figs-explicit]])
This phrase represents the time that he was king. The meaning of this can be made clear. Alternate translation: "before Abijah was king" (See: [[rc://en/ta/man/translate/figs-explicit]])
The heart represents the whole person. Alternate translation: "Abijah was not devoted ... as David" (See: [[rc://en/ta/man/translate/figs-synecdoche]])