功课: homework, assignment, task, classwork, lesson, study...
宁可: preferably, one would prefer to...(or not to...), would rather, (would) be better to, (to pick) the lesser of two evils...
空洞: cavity, empty, vacuous...
桥: bridge...
糖: sugar...
处长: department head, section chief...
密封: to seal up...
欣欣向荣: (idiom) flourishing, thriving...
青少年: adolescent, youth, teenager...
喜剧: comedy...
