en_tn/job/08/14.md

His confidence will break apart ... his trust is as weak as a spider's web

These two phrases mean the same thing and emphasize that the godless person is trusting in something that cannot save him. (See: rc://en/ta/man/translate/figs-parallelism)

his trust is as weak as a spider's web

Here Bildad compares the trust of the godless person to a spider's web; the slightest force will break both. (See: rc://en/ta/man/translate/figs-simile)