1. We feel some tension before we take an exam.
    考试之前，我们觉得有点紧张。

2. Another moment of tension descends while students await the domestic flight that will take them to their temporary home in America.
    学生们在等待美国国内班机把他们带到在美国的临时家庭时又紧张了一阵。

3. Although pills for tension, heart conditions, weight and other life-threatening conditions are prescribed by Western doctors, most now require patients to develop healthy lifestyles by changing diets and exercising more to keep well.
    虽然西医仍在开具着治疗紧张、心脏病、肥胖及其他危及生命的疾病的处方，但如今大多数医生要求病人改变饮食习惯和加强锻炼，以养成健康的生活方式，从而保持健康。

4. Fighting with your spouse / boyfriend? Aha — tension in personal relationships.
    还与你的配偶 / 男朋友干上一架！啊哈--结果是人际关系紧张！