What thing shall I take to witness for thee— With what likeness shall I compare thee? "What instance can I bring of any calamity like thine? that such an example may be some mitigation of thy misery." See Lowth, and Houbigant.
Related Commentaries of Lamentations 2:13
Lamentations 2:13
13 What thing shall I take to witness for thee? what thing shall I liken to thee, O daughter of Jerusalem? what shall I equal to thee, that I may comfort thee, O virgin daughter of Zion? for thy breach is great like the sea: who can heal thee?