4 Who are you mocking? At whom do you sneer and stick out your tongue? Are you not a brood of rebels, the offspring of liars?

Read Isaiah 57:4 Using Other Translations

Against whom do ye sport yourselves? against whom make ye a wide mouth, and draw out the tongue? are ye not children of transgression, a seed of falsehood,
Whom are you mocking? Against whom do you open your mouth wide and stick out your tongue? Are you not children of transgression, the offspring of deceit,
Whom do you mock, making faces and sticking out your tongues? You children of sinners and liars!