The guy who called my first comment “rubbish” might want to look at this link.
catholicism.org/problem-knox.html
Here’s one example of Knox’ account of Isaiah 7:14, just a slightly important passage
“In a previous issue, The Point has decried Monsignor Knox’s malicious and willful attack on the Blessed Virgin Mary, in his translation of the sacred text from Isaias, Ecce virgo concipiet et pariet filium: which can only mean, “Behold, a virgin shall conceive and shall bear a son.” In complete sell-out to a centuries-old Talmudic tradition, Monsignor Knox refused to use Saint Jerome’s Latin or even the Greek texts for this verse. He went to the post-Crucifixion Babylonian rabbis for their version, and came up with, “Maid shall be brought to bed of a son.” This rendering, which takes all portent out of the prophesied event — meant to be a wondrous sign from God — completely discredits the inviolate virginity of Our Lord’s Mother and the virginal manner of His birth.”