It's all talk
It is about empty talk without any serious intention behind it.
(Modern Hebrew)
Translation
Expression (Hebrew)
הַכֹּל דִּבּוּרִים
Definition (Hebrew)
הַמְּדֻבָּר בְּדִבּוּרֵי סְרָק לְלֹא כָּל כַּוָּנָה רְצִינִית מֵאַחֲרֵיהֶן.
(הָעִבְרִית הַחֲדָשָׁה)