isaiah 3:9 The shew of their countenance doth witness against them; and they declare their sin as Sodom, they hide it not. Woe unto their soul! for they have rewarded evil unto themselves. - Free Bible Online

      9. show--The Hebrew means, "that which may be known by their countenances" [GESENIUS and WEISS]. But MAURER translates, "Their respect for person"; so Syriac and Chaldee. But the parallel word "declare" favors the other view. KIMCHI, from the Arabic, translates "their hardness" (Job 19:3, Margin), or impudence of countenance (Jer 3:3). They have lost not only the substance of virtue, but its color.
      witness--literally, "corresponds" to them; their look answers to their inner character (Ho 5:5).
      declare-- (Jude 13). "Foaming out their own shame"; so far from making it a secret, "glorying" in it (Php 3:19).
      unto themselves--Compare "in themselves" (Pr 1:31; 8:36; Jer 2:19; Ro 1:27).

JFB.