en_tn/dan/07/20.md

the ten horns on its head

"the ten horns on the head of the fourth animal"

grew up, and before which the three horns fell down

"grew up, and about the three horns that fell down in front of it" or "grew up, and about the three horns that fell down because of it"

before which the three horns fell down

Here "fell down" is a euphemism that means they were destroyed." Alternate translation: "which destroyed the three horns" (See: rc://en/ta/man/translate/figs-euphemism)

the mouth that boasted

"its mouth that boasted" or "the mouth of the new horn, that boasted"

that seemed greater than its companions

the horn with the eyes and a mouth seemed to be greater than the other horns