4 That fading flower, his glorious beauty, set on the head of a fertile valley, will be like figs ripe before harvest— as soon as people see them and take them in hand, they swallow them.

Read Isaiah 28:4 Using Other Translations

And the glorious beauty, which is on the head of the fat valley, shall be a fading flower, and as the hasty fruit before the summer; which when he that looketh upon it seeth, while it is yet in his hand he eateth it up.
and the fading flower of its glorious beauty, which is on the head of the rich valley, will be like a first-ripe fig before the summer: when someone sees it, he swallows it as soon as it is in his hand.
It sits at the head of a fertile valley, but its glorious beauty will fade like a flower. Whoever sees it will snatch it up, as an early fig is quickly picked and eaten.