# Can you fasten chains on the Pleiades, or undo the cords of Orion?

"You cannot fasten chains on the Pleiades, and you cannot undo the cords of Orion."

# fasten chains on

"bind chains onto" or "tie the bonds of"

# the Pleiades ... Orion

These are the names of constellations. See how you translated them in Job 9:9.

# undo the cords of Orion

"loosen the cords that hold Orion"