Those who hate the LORD would cringe before him, and their punishment would last forever.
NIV
[Had Israel listened to Me in Egypt, then] those who hated the Lord would have come cringing before Him, and their defeat would have lasted forever.
AMP
The haters of the LORD should have submitted themselves unto him: but their time should have endured for ever.
KJV
They are worthless, the objects of mockery; when their judgment comes, they will perish.
NIV
They are worthless (emptiness, falsity, futility), a work of delusion and worthy of derision; in the time of their inspection and punishment they shall [helplessly] perish.
AMP
They are vanity, the work of errors: in the time of their visitation they shall perish.
KJV