sophisticated复杂的，精通的
foul难闻的，糟透的
hysterical情绪异常激动
ideology思想
span一段时间
competition竞争
compound化合物，复合的
　　　　　　　　maple leaf
　　 I just dare not to admit that I love you。。
　　 I behaved so timid that I missed the precious opportunity。。。
　　 There is no excuses for me to forgive myself。。
　 　 I could only choose to stay here to persist in pursuing my dream。