will I gather them - namely, the nations (Assyria, etc.) against Israel, instead of their assisting her as she had wished (Eze 16:37).
a little - rather, “in a little” [Henderson]. English Version gives good sense: They shall sorrow “a little” at the imposition of the tribute; God suspended yet the great judgment, namely, their deportation by Assyria.
the burden of the king of princes - the tribute imposed on Israel (under Menahem) by the Assyrian king Pul, (2Ki 15:19-22), who had many “princes” under his sway (Isa 10:8).