n any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
n a person who is ruthless and greedy and dishonest
n a person who is unusually skilled in certain ways
v play the shark; act with trickery
v hunt shark
n. 鲨鱼( shark的名词复数 ); 坑蒙拐骗的人, 诈骗者