n. the emotion of great happiness
n. something or someone that provides a source of happiness
n. 欢喜, 乐事, 高兴
vt. 使快乐, 令人高兴
vi. 欢喜
1. I felt pure joy when I saw my best friend after a long time.
当我看到我最好的朋友时，我感到无比的快乐。
2. The children jumped with joy when they received their gifts.
孩子们收到礼物时高兴得跳了起来。
3. She finds joy in painting and expresses her feelings through art.
她在绘画中找到快乐，并通过艺术表达自己的感受。