1. be in low spirits情绪低落
2. as scheduled按照日程安排
3. have a preference for偏爱……
4. be fed up with对……受够了
5. drop out of school辍学
6. hold the strong belief that...坚信……
7. feel tired both physically and mentally身心疲惫
8. be grateful/thankful to sb.for 因……感激/感谢某人
9. with one's aid/help/assistance在某人的帮助下
10. take regular exercise经常锻炼
