en_tn_lite_do_not_use/psa/102/003.md

my days pass away like smoke

Here "my days" refers to the author's life and the idea of "smoke" is something that quickly disappears. Alternate translation: "my life passes away quickly" (See: rc://en/ta/man/translate/figs-simile)

my bones burn like fire

Here the author refers to his "body" as his "bones." Alternate translation: "my body feels like it is burning" (See: rc://en/ta/man/translate/figs-synecdoche and rc://en/ta/man/translate/figs-simile)