בְּדֵעָה אַחַת

ביטוי (אנגלית)

of one mind / unanimous

הגדרה (אנגלית)

In agreement. Holding the same opinion. Without differences of opinion.

("As time became prolonged because of the great dispersion, and the sages of the lands were not of one mind and one agreement in the interpretation of the Mishnah until Rav Ashi arose" – Sefer Mitzvot Gadol, General Introduction)