To turn a deaf ear / close one's ears
Unwilling to hear or listen; he closed his ears.
("The heart of this people is waxed gross, and their ears are dull, and their eyes are dull: lest they see with their eyes, and hear with their ears, and understand with their heart, and turn again, and be healed" - Isaiah 6:10)
Translation
Expression (Hebrew)
הִכְבִּיד אֶת אָזְנָיו
Definition (Hebrew)
לֹא רָצָה לִשְׁמֹעַ אוֹ לְהַקְשִׁיב. אָטַם אֶת אָזְנָיו.
("הַשְׁמֵן לֵב הָעָם הַזֶּה וְאָזְנָיו הַכְבֵּד וְעֵינָיו הָשַׁע פֶּן יִרְאֶה בְעֵינָיו וּבְאָזְנָיו יִשְׁמָע וּלְבָבוֹ יָבִין וָשָׁב וְרָפָא לוֹ"- יְשַׁעְיָהוּ ו י)