Answer:
A hill full, a hole full, yet you cannot catch a bowl full.
Both old people and owls are said to be possessing this trait
You'll see savory dishes in Hong Kong sizzling in these.
They can be harbored, but few hold water. You can nurse them, but only by holding them against someone else. You can carry them, but not with your arms. You can bury them, but not in the earth.
A tiny bead, like fragile glass, strung along a cord of grass.
What did the piece of wood say when he saw the screwdriver and screws approaching?