Isaiah 20:1
20:1 In the year that {a} Tartan came to {b} Ashdod, (when {c}
     Sargon the king of Assyria sent him,) and fought against
     Ashdod, and took it;

     (a) Who was captain of Sennacherib, 2 Kings 18:17.
     (b) A city of the Philistines.
     (c) The Hebrews write that Sennacherib was so called.

Isaiah 20:2
20:2 At the same time spoke the LORD by Isaiah the son of Amoz,
     saying, Go and loose the {d} sackcloth from off thy loins,
     and put off thy shoe from thy foot. And he did so, walking
     naked and barefoot.

     (d) Which signifies that the prophet lamented the misery
         that he saw prepared before the three years that he
         went naked and barefooted.

Isaiah 20:5
20:5 And they shall be afraid and ashamed of {e} Cush their
     expectation, and of Egypt their {f} glory.

     (e) In whose aid they trusted.
     (f) Of whom they boasted and gloried.

Isaiah 20:6
20:6 And the inhabitant of this {g} isle shall say in that day,
     Behold, such [is] our expectation, where we fled for help
     to be delivered from the king of Assyria: and how shall we
     escape?

     (g) Meaning Judea which was encompassed by their enemies as
         an isle with waters.