He is not as he was yesterday or the day before
A change has occurred in him. He does not behave towards him in the same manner as before.
(He is not with him as he was yesterday or the day before ("And Jacob saw the countenance of Laban, and behold, it was not toward him as before" - Genesis 31:2))
Translation
Expression (Hebrew)
אֵינֶנּוּ כִּתְמוֹל שִׁלְשׁוֹם
Definition (Hebrew)
חָל בּוֹ שִׁנּוּי. אוֹ: אֵינֶנּוּ מִתְיַחֵס אֵלָיו כְּפִי שֶׁהִתְיַחֵס אֵלָיו קֹדֶם.
(אֵינֶנּוּ עִמּוֹ כִּתְמוֹל שִׁלְשׁוֹם ("וַיַּרְא יַעֲקֹב אֶת פְּנֵי לָבָן וְהִנֵּה אֵינֶנּוּ עִמּוֹ כִּתְמוֹל שִׁלְשׁוֹם"- בְּרֵאשִׁית לֹא ב))