en_tn/1ki/04/29.md

God gave Solomon great wisdom and understanding

The abstract nouns "wisdom" and "understanding" can be translated as verbs. God giving him these things means that God enabled him to have these qualities. Alternate translation: "God enabled Solomon to be wise and to understand many things" (See: rc://en/ta/man/jit/figs-abstractnouns and rc://en/ta/man/jit/figs-idiom)

wideness of understanding like the sand on the seashore

Solomon was able to understand many things about many different subjects. The abstract noun "wideness" can be translated as an adjective. Alternate translation: "Solomon was able to understand many things about a wide range of subjects" (See: rc://en/ta/man/jit/figs-simile)