carefree 无忧无虑；cheerful 兴奋，兴高采烈；confused 困惑，头脑混乱；content 满意，满足；cranky 烦躁；depressed 忧郁，沮丧；devastated 伤心欲绝；disappointed 失望；discouraged 气馁，灰心丧气；disgusted 恶心，反感。