unhealthy 不健康的;不卫生的;不良的;有害的
worked out 理解;想出
athlete （尤指参加有组织的赛事的）运动员;健儿，擅长运动的人
record 最高纪录；最佳成绩
various 各种不同的；各种各样的
exactly 精确地；确切地；完全准确地
tradition 传统
argue 争论;争吵;争辩
a person who is very good at sports or physical exercise, especially one who competes in organized events
a belief, principle, or way of acting that people in a particular society or group have continued to follow for a long time
the best or fastest ever done
used when you are giving or asking for information that is completely correct
many different
to understand something or to find the answer to something by thinking about it
not good for your health
to speak angrily to someone, telling that person that you disagree with them
