Psalms 17:12 KJV

Like as a lion that is greedy of his prey, and as it were a young lion lurking in secret places.
Psalms 17:12, King James Version

In context

11 They have now compassed us in our steps: they have set their eyes bowing down to the earth;

12 Like as a lion that is greedy of his prey, and as it were a young lion lurking in secret places.

13 Arise, O Lord, disappoint him, cast him down: deliver my soul from the wicked, which is thy sword: