Predator Concrete Jungle 13

And if that glowing stuff was the creature's blood, and not just the equivalent of hydraulic fluid for its gadgets, Schaefer thought, it was hurt. If it could bleed, it could die. He came up fast, as fast as he could, combat knife in his hand, and the blade punched through the thing's mesh and into its grayish flesh.

"This is for Dutch!" Schaefer shouted.

The sound was muffled; his hearing was still shot. The creature roared in pain, and that, too, was dull, almost inaudible. Before Schaefer could even think about dodging, its foot came up and kicked him away, hard. The knife stayed in its side.-pg.141 chpt.18