【明報專訊】"Once upon a time my home was the ocean," Big Bob said. "It was as deep can be, and I was free to go wherever I wished." As you can see, Big Bob has lost his freedom. "I'm now at the mercy of a cook," he said, "and I can tell you this: It's not easy being at someone's mercy." To be at the mercy of someone or at someone's mercy means to be helpless because you have absolutely no control over what's to happen. "Like being out in a typhoon and being at the mercy of the storm." Big Bob added.