מַה־תֵּיטִ֥בִי דַּרְכֵּ֖ךְ לְבַקֵּ֣שׁ אַהֲבָ֑ה לָכֵן֙ גַּ֣ם אֶת־הָרָע֔וֹת למדתי [לִמַּ֖דְתְּ] אֶת־דְּרָכָֽיִךְ׃
How trimmest thou thy way To seek love! Therefore—even the wicked women hast thou taught thy ways;
Rashi on Jeremiah
How you adorn Heb. תיטבי. You adorn yourself to greet your adulterers. Comp. “And she adorned her head” (I Kings 9:30) concerning Jezebel in the section dealing with Jehu.
Rashi on Jeremiah
even to the most evil you accustomed You searched throughout all the evil ways to learn the most corrupt of them all. גם is an expression of ‘even.’
Rashi on Jeremiah
verily Heb. לכן, an expression of a true oath. Verily, to the most evil way of all the ways you accustomed yourself.