Commentaries:
Jamieson, Fausset, and Brown
cup of trembling--a cup causing those who drink it to reel (from a Hebrew root "to reel"). Jerusalem, who drank the "cup of trembling" herself, shall be so to her foes (Isaiah 51:17, Isaiah 51:22; Jeremiah 13:13). CALVIN with the Septuagint translates, "threshold of destruction," on which they shall stumble and be crushed when they attempt to cross it. English Version is better.
both against Judah--The Hebrew order of words is literally, "And also against Judah shall he (the foe) be in the siege against Jerusalem"; implying virtually that Judah, as it shares the invasion along with Jerusalem, so it shall, like the metropolis, prove a cup of trembling to the invaders. MAURER with JEROME translates, "Also upon Judah shall be (the cup of trembling); that is, some Jews forced by the foe shall join in the assault on Jerusalem, and shall share the overthrow with the besiegers. But Zechariah 12:6-7 show that Judah escapes and proves the scourge of the foe.
Other commentary entries containing this verse:
Isaiah 4:2
Isaiah 18:2
Isaiah 51:17
Isaiah 51:23
Isaiah 66:6
Isaiah 66:24
Joel 3:9
Zephaniah 3:8
Zechariah 12:1
Matthew 21:44
Revelation 7:3
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