{"groundTruth": ["胆战心惊"], "candidates": [["目瞪口呆", "如履薄冰", "面无人色", "瞠目结舌", "手足无措", "屁滚尿流", "胆战心惊"]], "content": "得令人#idiom#的冰层断裂声。葛林费尔大声吆喝，希望能赶在浮冰完全断裂前冲上对岸。四条狗也似乎觉察到危险，尽管浑身冒汗，还是奋力拖拉着雪车向前急驶。海岸已能看见了，胜利在望，但是，一连串“咔嚓咔嚓”的断裂声响过，", "realCount": 1}