1.phantom
n. 幽灵;幻影;虚位
adj. 幽灵的;幻觉的;有名无实的
仿 He believed that she is a phantom.
2.bewildered
adj. 困惑的;眩
v. 使困惑(bewilder的过去分词)
仿He was bewildered by her smile.
3.Summary
When they left the Nick's party, Harry heard the sound of terror again. But Ron and Hermione didn't hear anything.