1
קדחה. בָּעֲרָה: קדחה means, IT BURNS.
2
ותיקד. בָּכֶם עַד הַיְסוֹד: ותיקד AND IT SHALL BLAZE in your midst to the very foundations (Rashi merely supplies the words “in your midst” and paraphrases עד שאול תחתית).
3
ותאכל ארץ ויבלה. אַרְצְכֶם וִיבוּלָהּ (ספרי): ותאכל ארץ ויבלה AND IT SHALL CONSUME THE LAND WITH HER INCREASE — i.e., your land and its produce (Rashi means that ארץ does not mean “the ground”, “the soil”).
4
ותלהט. יְרוּשָׁלַיִם הַמְיֻסֶּדֶת עַל הֶהָרִים, שֶׁנֶּאֱמַר (תהילים קכ"ה) יְרוּשָׁלַיִם הָרִים סָבִיב לָהּ: ותלהט AND IT SHALL SET ON FIRE [THE FOUNDATIONS OF THE MOUNTAINS] — i.e. Jerusalem that is founded on the mountains, as it is said, (Psalms 125:2) “Jerusalem, mountains are round about it” (Sifrei Devarim 320:12).