Because you're still wearing your stupid letter jacket.

因为你还穿着傻兮兮的带字母的校服夹克。

Strategies to motivate students in high school include rewarding academic excellence by designating scholars of the month, or by issuing articles of clothing such as school letter jackets formally given only to athletes.

激励中学生的策略包括以选定本月学习优异者的方式给予学业优秀奖，或赠送之前只发给运动员的印有学校名称的衣服。