en_tn/job/41/28.md

to him sling stones become chaff

This means that sling stones are no more useful than chaff in the wind against Leviathan. (See: rc://en/ta/man/translate/figs-metaphor)

Clubs are regarded as straw

This means that a club is no more effective than a piece of straw for beating Leviathan. (See: rc://en/ta/man/translate/figs-simile)

he laughs at the whirring flight of a spear

The Leviathan is compared to a human being laughing at the futility of their battling against him by throwing spears. (See: rc://en/ta/man/translate/figs-personification)

His lower parts are like sharp pieces of broken pottery

This says that his scales are sharp. (See: rc://en/ta/man/translate/figs-simile)

he leaves a spreading trail in the mud as if he were a threshing sledge

This compares his tail to threshing sledge that scrapes the ground and leaves a mark as it moves. (See: rc://en/ta/man/translate/figs-simile)