en_tn_condensed/ezk/06/09.md

I was grieved by their promiscuous heart that turned away from me

Yahweh speaks of the Israelites as if they were a woman who sleeps with many people. Alternate translation: "I was sad because they were like a wife who has left me to sleep with other men" (See: rc://en/ta/man/jit/figs-synecdoche)

by their eyes that whored after their idols

Yahweh speaks of the Israelites as if they were a married woman who looks at other men and desires to sleep with them. Alternate translation: "by the way they desired strongly to worship idols" (See: rc://en/ta/man/jit/figs-synecdoche)

they will show loathing on their face for the wickedness which they have committed

Possible meanings are 1) "their faces will show that they hate themselves because of the wicked things they have done" or 2) "their faces will show that they hate the wicked things that they have done."