OET interlinear 1SA 15:23

uW Translation Notes:

Note 1 topic: grammar-connect-words-phrases

כִּ֤י

that/for/because/then/when

Here the word For provides not a reason but a further explanation. Alternate translation: [After all]

Note 2 topic: figures-of-speech / metaphor

חַטַּאת־קֶ֨סֶם֙ מֶ֔רִי וְ⁠אָ֥וֶן וּ⁠תְרָפִ֖ים הַפְצַ֑ר

sin_of divination rebellion and,iniquity and,idolatry arrogance

Samuel is speaking as if rebellion and stubborn insistence were actually the same things as divination and teraphim. If it would be clearer in your language, you could state the meaning plainly. Alternate translation: [rebellion is like the sin of divination, and to insist is like iniquity and teraphim] or [rebellion is as bad as the sin of divination, and to insist is as bad as iniquity and teraphim]

Note 3 topic: figures-of-speech / ellipsis

וְ⁠אָ֥וֶן & הַפְצַ֑ר

and,iniquity & arrogance

Samuel is leaving out some of the words that in many languages a sentence would need in order to be complete. You can supply these words from the context if that would be clearer in your language. Alternate translation: [and to insist that you are right when Yahweh has said that you are wrong]

Note 4 topic: translate-unknown

וְ⁠אָ֥וֶן וּ⁠תְרָפִ֖ים

and,iniquity and,idolatry

The term teraphim describes idols that people in this culture kept in their homes. If your readers would not be familiar with what these were, in your translation you could use the name of a similar thing that your readers would recognize, or you could use a general expression. Alternate translation: [is iniquity and household idols]

Note 5 topic: figures-of-speech / hendiadys

וְ⁠אָ֥וֶן וּ⁠תְרָפִ֖ים

and,iniquity and,idolatry

This phrase expresses a single idea by using two words connected with and. The word teraphim tells what kind of iniquity this is. Alternate translation: [is the iniquity of worshiping idols] or [is the sin of idolatry]

Note 6 topic: figures-of-speech / metonymy

אֶת־דְּבַ֣ר יְהוָ֔ה

DOM word/matter_of YHWH

Samuel is using the term word by association to mean what Yahweh commanded by using words. If it would be helpful in your language, you could use an equivalent expression or plain language. Alternate translation: [the command of Yahweh]