Job 41:24

NIV: Its chest is hard as rock, hard as a lower millstone.

NAS: "His heart is as hard as a stone, Even as hard as a lower millstone.

KJV: His heart is as firm as a stone; yea, as hard as a piece of the nether millstone.

GWT: Its chest is solid like a rock, solid like a millstone.

ASV: His heart is as firm as a stone; Yea, firm as the nether millstone.

BBE: His heart is as strong as a stone, hard as the lower crushing-stone.

DBY: His heart is firm as a stone, yea, firm as the nether millstone.

DRB: His heart shall be as hard as a stone, and as firm as a smith's anvil.

WBS: His heart is as firm as a stone; yes, as hard as a piece of the nether millstone.

WEB: His heart is as firm as a stone, yes, firm as the lower millstone.

YLT: His heart is firm as a stone, Yea, firm as the lower piece.