beat,win与lose的区别：
beat (打败),后面跟“人”,而win(赢得),后面跟“比赛、竞赛”等。如：Who won at last? (最后谁赢了？)/ Class Three beat us 5-0. (三班以5∶0打败了我们)/ I am sure to win the match. (我一定能赢得比赛)
而lose则表示“输了”,常用句型：lose sth. to sb. 如：Unluckily we lost the match to Class Three. (不幸的是我们比赛输给了三班)