מִקּ֤וֹל אוֹיֵ֗ב מִפְּנֵ֣י עָקַ֣ת רָשָׁ֑ע כִּי־יָמִ֥יטוּ עָלַ֥י אָ֝֗וֶן וּבְאַ֥ף יִשְׂטְמֽוּנִי׃
Because of the voice of the enemy, because of the oppression of the wicked; For they cast mischief upon me, and in anger they persecute me.
Read kabbalistic (mystical) interpretation of Psalms 55:4: and classical mystical sources.