Maroth; bitterness. Its site is unknown; but it was in the immediate neighbourhood of Jerusalem. Ewald suggests that it is the same as Maarath (Joshua 15:59), hod. Beit Ummar, six miles north of Hebron.
Waited carefully for good; waited, expecting succour. But the better translation is, writhed in anguish on account of good, which they have lost, whether property or liberty. But evil came; for (or, because) evil is come.
Unto the gate of Jerusalem (comp. Micah 1:9). The prophet refers to the invasion of the Assyrian kings, Sargon or Sennacherib, also mentioned by Isaiah (Isaiah 22:7), and the haughty message (Isaiah 36:2).