Even at his best he glides rather than sprints around the pitch , but on wednesday he trudged across the turf unable to explode on to the scene , a sure sign that he has been overworked and undertrained 即使在他的最佳时刻，他也并不经常在球场上急奔，但是在周三的比赛中，他在球场上步履蹒跚也不能给场面带来爆发，这表明了他已经超负荷工作并且缺乏锻炼了。
Roughly speaking , smoking is responsible for a third of cancers ( smoking 20 cigarettes a day increases your risk of lung cancer 20 - fold ) , poor food and lack of exercise result in another third , and other causes account for the rest 大略地说，有三分之一的癌症由吸烟造成（一天吸食20支香烟将会是你患肺癌的风险增加20倍） ，营养不良和缺乏锻炼则是另外三分之一的元凶，剩下的病例则由另外原因造成。
In the recent past , medical researchers have begun to emphasize the fact that heart disease is associated with stress , smoking and a lack of exercise , and we can often reduce the risk of heart disease by paying more attention to these factors 最近这几年医学研究人员们开始强调这样一个事实，即心脏病与人的精神紧张、吸烟成癖，缺乏锻炼有密切关系，如果多加注意这些因素我们通常都能降低患心脏病的机率。
Patients who deelop heart failure often hae other health conditions or behaiors that affect how the heart works , such as damage from a heart attack , haing high blood pressure , smoking , being oerweight , eating foods high in fat and cholesterol , not exercising and haing diabetes 进展中的心衰患者通常会并发其它相关症状影响心脏工作，如心脏病发作引起的损伤、高血压、吸烟、肥胖、食用高脂肪高胆固醇的食物、缺乏锻炼和患有糖尿病。
