Charles Ellicott Commentary Isaiah 17:14

"At eventide, behold, terror; [and] before the morning they are not. This is the portion of them that despoil us, and the lot of them that rob us." — Isaiah 17:14 (ASV)

And behold at eveningtide trouble. — The words, though spoken in general terms, received a special fulfilment in the destruction of Sennacherib’s army (Isaiah 37:36). Possibly the parallelism they present to Isaiah 17:11 may have led to the insertion of the oracle in this place.