It may be helpful to use a verse bridge here, as the UDB does, to arrange the text in a more logical order. (See: [[rc://en/ta/man/translate/translate-versebridge]])
The abstract noun "desolations" can be stated as "desolate cities." AT: "the desolate cities which have no people living in them" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])
This speaks of Yahweh's fury as if it were a fire. Yahweh loves Israel very much, so he becomes jealous and angry when other nations mock it. AT: "because of my intense jealousy" or "because of my very strong anger" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Here "heart" and "spirit" represent a person's inner being. The ideas of having joy and disdain can be expressed with the verbs "rejoiced" and "despised." AT: "who despised the people of Israel and rejoiced while they took my land" (See: [[rc://en/ta/man/translate/figs-metonymy]])
The words "fury" and "anger" mean basically the same thing. Together they emphasize the intensity of his anger. AT: "Because I am extremely angry" (See: [[rc://en/ta/man/translate/figs-doublet]])