Isaiah 28:10

For = For [say they] mimicking the prophet as though he were teaching little children in a school.

must be: or, [hath been]. The verse then reads: "For it is zav lazav, zav lazav kav lakav, kav lakav ze'er sham, ze'er sham . "The Figures of speech: Epizeuxis and Paronomasia ( App-6 ), for emphasis. It may be Englished by: "Law upon law, Saw upon saw".