Job uses this question to emphasize that when a person dies, he is not present. AT: "no one knows where he is." or "he is gone." (See: [[rc://en/ta/man/translate/figs-rquestion]])
These two phrases are describing the same thought and are repeated to emphasize the fact that death is final. (See: [[rc://en/ta/man/translate/figs-parallelism]])
These two phrases mean the same thing and are used together to emphasize that death is final. Sleeping represents dying and awaking represents living again. AT: "people who die will not live again and be raised from death" (See: [[rc://en/ta/man/translate/figs-parallelism]] and [[rc://en/ta/man/translate/figs-metaphor]])