She's uncatchable.

"Unstoppable, unbeatable and uncatchable,

Uncatchable as in never?

It's supposed to be fast, nigh uncatchable.

An uncatchable one with a brilliant reputation.

Yeah, a thousand times. He caught an uncatchable fish.

But no! It seems penguins are uncatchable in water.

- And now, you're telling me the fish are uncatchable?

- Make him stop. ...was now lost in the gut of an uncatchable fish.

Sometimes the only way to catch an uncatchable woman... ...is to offer her a wedding ring.