Job 20:20

20 For he knows no satisfaction in his appetite;
Heb “belly,” which represents his cravings, his desires and appetites. The “satisfaction” is actually the word for “quiet; peace; calmness; ease.” He was driven by greedy desires, or he felt and displayed an insatiable greed.

he does not let anything he desires
The verb is the passive participle of the verb חָמַד (khamad) which is one of the words for “covet; desire.” This person is controlled by his desires; there is no escape. He is a slave.
escape.
The verb is difficult to translate in this line. It basically means “to cause to escape; to rescue.” Some translate this verb as “it is impossible to escape”; this may work, but is uncertain. Others translate the verb in the sense of saving something else: N. Sarna says, “Of his most cherished possessions he shall save nothing” (“The Interchange of the Preposition bet and min in Biblical Hebrew,” JBL 78 [1959]: 315-16). The RSV has “he will save nothing in which he delights”; NIV has “he cannot save himself by his treasure.”

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