en_tn_lite_do_not_use/psa/103/015.md

As for man, his days are like grass

In this simile, the length of man's life is being compared to the short length of time that grass grows before it dies. Alternate translation: "The length of man's life is short like that of grass" (See: rc://en/ta/man/translate/figs-simile)

he flourishes like a flower in a field

In this simile, how man grows over time is compared to how a flower grows. (See: rc://en/ta/man/translate/figs-simile)

flourishes

To "flourish" is to grow well or be healthy.