Turned — From sweet to bitter. Gall of asps — Exceeding bitter and pernicious. Gall is most bitter; the gall of serpents is full of poison; and the poison of asps is most dangerous and within a few hours kills without remedy.
Related Commentaries of Job 20:14
Job 20:14
14 Yet his meat in his bowels is turned, it is the gall of asps within him.