מַה־תֵּיטִ֥בִי דַּרְכֵּ֖ךְ לְבַקֵּ֣שׁ אַהֲבָ֑ה לָכֵן֙ גַּ֣ם אֶת־הָרָע֔וֹת למדתי [לִמַּ֖דְתְּ] אֶת־דְּרָכָֽיִךְ׃
你何等修飾你的道路，要去尋求愛情！所以，你甚至使你的行徑慣行種種惡事。
Rashi
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
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
verily Heb. לכן, an expression of a true oath. Verily, to the most evil way of all the ways you accustomed yourself.