Simone
你好小朋友，"快乐" 用英文写作：happyhappy 英[ˈhæ伍仿氏迹pi] 美[ˈhæpi] adj. 感到(或显得)快乐的; 高兴的; 给予(或带来)快乐的; 使人高兴的; 幸福的; 表示祝愿，如Happy Birthday生日快乐、Happy New Year新年好等; （对某人或事物）满意的，放心的; 情愿，乐意（做某事）; 幸运的; 合适的腔核纤; [例句]He has got many prizes, but it's the smiles of the children he has helped that make him happy!他得到了许多奖品，但真正让他感到快乐的是那些他帮助过的孩子们的微笑！[其他] 比较级：happier 最高级：happiest 希望能帮到你。
