Isaiah continues to describe the sign that God will give the house of David.

## you dread ##

"you fear." Here "you" is singular and refers to Ahaz. (See: [[rc://en/ta/man/translate/figs-you]])

## your people ##

This refers to the people of Judah.

## Ephraim seceded from Judah ##

AT: "the people of Ephraim separated from the people of Judah." (See: [[rc://en/ta/man/translate/figs-metonymy]])