hold hard

verb3

1. •
   A formal command to a ship's crew to grasp and hold on to a solid fitting, such as ropes or rails, to avoid being swept overboard, especially during a storm.

   • All hands...hold hard!
2. •
   (figurative) To stubbornly resist assault, pressure or opposition, either physically or mentally.

   • I would sooner walk in the dark, and hold hard to a promise of my God, than trust in the light of the brightest day that ever dawned. — 1881
3. •
   (figurative, old-fashioned) To stop suddenly and remain still.

   • Hold hard: here come the sheep.