[with obj.]identify the nature of (an illness or other problem) by examination of the symptoms 诊断(疾病等);判断所存在问题的性质 two doctors failed to diagnose a punctured lung. 两名医生都未能诊断出那是肺穿孔。 ■(一般作 be diagnosed)identify the nature of the medical condition of (someone) 确定(某人的)治疗状况 she was finally diagnosed as having epilepsy. 她最终被确诊为患有癫痫。 20,000 men are diagnosed with skin cancer every year. 每年有20,000名男子被查出患有皮肤癌。