He sat for a while sipping his coffee and frowning slightly like a surgeon watching a cardiograph during a difficult operation.

他坐了一会儿， 喝着咖啡，微微皱着眉头， 就像外科医生在做艰难的手术时看着心电图。

Cao Bing: Yes, I know what you mean ... I always feel strange in hospitals, seeing signposts for places like the operating theatre and cardiograph unit. I hate to imagine what goes on there, don't you?

是的，我明白你的意思...我在医院总是感到害怕，比如看到手术室或者 心电图科室。我不愿意想象那里正在发生着什么，你呢？