(1) 高兴，喜悦，愉快(very great happiness or delight)[U]：shouts of～欢呼声;be together both in～and in sorrow 同甘共苦;be filled with～充满欢乐;express one's～表达欢乐;have a life of/give a cry of～过快乐的生活/发出一阵欢呼; dance/jump/shout for～高兴得起舞/跳起来/呼喊起来;I wish you～. 祝你快乐! 〖同〗delight，happiness，cheerfulness，enjoyment，pleasure;〖反〗 sorrow，despair，unhappiness，grief;

(2)使人高兴的人或事(sb or sth that causes happiness)[C]：one of the～s of living 人生的欢乐之一;the～s and sorrows of life 人生悲欢;a great～to sb 对某人来讲是一大快事;It is a～to drive. 开车是一种乐趣。The song is a～to listen to. 听这首歌是一种乐趣。

to the joy of sb/to sb's joy 使(某人)高兴的是： To the～of his friends，he won the race. 令朋友们高兴的是他赢了。

→′joy-ride n 驾车(或飞机等)兜风(尤指偷来别人的汽车开);′joy-rider n 驾车(或飞机等)兜风的人;′joy-riding n 驾车兜风;′joy-stick n 操纵(驾驶)杆;′joyless adj 不快活的，沉闷的;′joylessly adv 不快活地;′joylessness n 不快活;′joyous adj 高兴的，快乐的;′joyously adv 高兴地，快乐地;′joyousness n 高兴，快乐;

【辨异】joy与delight、enjoyment和pleasure的区别见DELIGHT。