כִּֽי־גוֹי֙ עָלָ֣ה עַל־אַרְצִ֔י עָצ֖וּם וְאֵ֣ין מִסְפָּ֑ר שִׁנָּיו֙ שִׁנֵּ֣י אַרְיֵ֔ה וּֽמְתַלְּע֥וֹת לָבִ֖יא לֽוֹ׃
Rashi on Joel
For a nation has ascended upon my land—He named these locusts as a host of nations.
Rashi on Joel
and its molars are like those of a young lion—These are the thick teeth with which he chews.