Halfheartedly/ insincerely
Figuratively: His mouth and his heart were not equal. He did not intend what he spoke.
("Men shall speak vanity every one to his neighbor: with flattering lips and with a double heart shall they speak" - Psalms 12:3, and also: "Do not seek with a double heart his will, and do not go after diviners" - Yehuda HaLevi / Hated Pursue Maidens, and also: "Some of the late Apiphorians treated the Jews with a double heart: they gave their protection to the Roman congregation... and if they had official records, they would confirm the church's decrees against the Jews" - S. Dovnov / Words of the People of the World, vol. 12)
Translation
Expression (Hebrew)
דִּבֵּר בְּלֵב וָלֵב
Definition (Hebrew)
בִּמְלִיצָה: פִּיו וְלִבּוֹ לֹא הָיוּ שָׁוִים. לֹא הִתְכַּוֵּן לְמָה שֶׁדִּבֵּר.
("שָׁוְא יְדַבְּרוּ אִישׁ אֶת רֵעֵהוּ שְׂפַת חֲלָקוֹת בְּלֵב וָלֵב יְדַבֵּרוּ"- תְּהִלִּים יב ג, וְכֵן:"וְאַל תִּדְרֹשׁ בְּלֵב וָלֵב רְצוֹנוֹ/ וְאַל תֵּלֵךְ לְךָ לִקְרַאת נְחָשִׁים"- יְהוּדָה הַלֵּוִי/ הֲתִרְדֹּף נְעָרוֹת, וְכֵן:"קְצָת הָאַפִּיפְיוֹרִים הַמְּאֻחָרִים הִתְיַחֲסוּ לַיְּהוּדִים בְּלֵב וָלֵב: לִקְהִלַּת רוֹמִי נָתְנוּ אֶת חָסוּתָם...וְאִלּוּ בִּפְקֻדּוֹת רִשְׁמִיּוֹת הָיוּ מְאַשְּׁרִים אֶת חֻקֵּי הַכְּנֵסִיָּה לְרָעַת הַיְּהוּדִים"- ש.דּוֹבְנוֹב/ דִּבְרֵי יְמֵי עַם עוֹלָם, שי"ב)