柯林斯词典shark /ʃɑːk/ (shark) 1. N-VAR A shark is a very large fish. Some sharks have very sharp teeth and may attack people. 鲨鱼2. N a person who preys on or victimizes others, esp by swindling or extortion 坑蒙拐骗的人; 诈骗者 返回 sharking