The islands see and fear; the ends of the earth tremble. They approach and come forward.
Terror strikes the heathen world at the rising power of Cyrus, and in their panic they turn to their gods, but those gods are not yet even made. The craftsmen scramble to fashion idols, spurring each other on, hammering and plating in desperate confusion, trying to nail their gods firm so they will not shake. Everything betrays their fear.
AI summary
Commenting on Isaiah 41:5-7
feared--that they would be subdued. drew near, and came--together, for mutual defense.
The isles saw [it], and feared; the ends of the earth were afraid, drew near, and came. (f) Considering my excellent works among my people. (g) They assembled themselves and conspired against me to maintain their idolatry.