Go with the flow/ go with the herd
He behaved in a conformist manner, as they all did. He did not deviate from the general trend.
(Modern Hebrew)
Translation
Expression (Hebrew)
הָלַךְ עִם הַזֶּרֶם, הָלַךְ עִם הָעֵדֶר
Definition (Hebrew)
הִתְנַהֵג כְּמוֹ כֻּלָּם בְּצוּרָה קוֹנְפוֹרְמִיסְטִית. לֹא חָרַג מֵהַמְּגַמָּה הַכְּלָלִית.
(הָעִבְרִית הַחֲדָשָׁה)