20 You overpower them once for all, and they are gone; you change their countenance and send them away.

Read Job 14:20 Using Other Translations

Thou prevailest for ever against him, and he passeth: thou changest his countenance, and sendest him away.
You prevail forever against him, and he passes; you change his countenance, and send him away.
You always overpower them, and they pass from the scene. You disfigure them in death and send them away.