For before. This was the sign to Ahaz and all present. Compare the further sign, Isaiah 8:4, and see App-101.
child. sucking child.
the land. the soil.
abhorrest: or vexest.
shall be forsaken. So it came to pass two years later. Compare 2 Kings 15:30; 2 Kings 16:9. See note on Isaiah 1:4.
of. because of. Connect this with "abhorrest", not with "forsaken".
both her kings: i.e. Pekah and Rezin (Isaiah 7:1).