1.joy的基本意思是“欢乐,高兴”,多指在拥有、获得或期待那些美好或极欲得到的事物时的愉快心情,尤适于表达根深蒂固、几乎疯狂的喜悦之情，是抽象名词,不可数。
2.joy还可作“令人高兴的人或事”解,此时是可数名词,有单复数形式。

for〔with〕 joy
因高兴而… do sth because of pleasure
She jumped for joy.她高兴得跳了起来。
He welcomed me with joy.他愉快地欢迎了我。
Mary was bursting with joy over the good news.听到这个好消息,玛丽喜出望外。
They were excited with joy at the success.他们因成功而欣喜若狂。
He scolded the child, but his heart was melting with joy because she was safe.他训斥了孩子,但看到孩子安安全全的,又因为高兴而心软了。

full of the joys of spring
非常快乐 very happy
Cage has been full of the joys of spring since she got her new job.自从找到那份新工作后,凯奇一直非常高兴。

get〔have〕 no joy
未(获得)成功或满足 (obtain) no success or satisfaction
It's no good asking him for a contribution, you'll get no joy from him.不必要他捐助什么,从他那里你得不到什么。

pride and joy
某人的自豪所在 object of sb's pride
Jason's new toy train is his pride and joy.简森新买的玩具火车是他得意的东西。

to sb's joy
使某人高兴的 as a cause of joy to sb
To his mother's joy, he won the first prize.使他母亲高兴的是他赢得了第一名。

wish sb joy
希望某人玩得高兴 hope that sb will enjoy doing sth
Tom said that he was going pot-holing in the mountain and I wished him joy.汤姆说他将去山上野餐,我希望他玩得高兴。

His chief joy centered in caring for the children.他主要的乐趣集中在管教孩子们上。
Her evident joy at his return somewhat embarrassed him.一见到他回来,她就喜形于色,这使他有点不好意思。
When his wish was realized, his joy knew no measure.当他的愿望实现时,他不知道有多高兴。
A smile expressed her joy at the good news.微笑表示出她对这条好消息的欢欣。
Faced with this situation, they felt both joy and fear.面对这样的形势,他们既高兴又害怕。
She alternated between joy and grief.她时喜时忧。
An exclamation of joy escaped from her lips.她情不自禁地发出了一声高兴的叫喊声。
One of the joys of living here is the friendliness of the people.生活在这儿的一种欢乐,是这儿人们的友好态度。
The joy of joys is the joy that joys in the joy of others.一切欢乐中最大的欢乐就是为别人的欢乐而欢乐。
You can't go on grieving over your lost youth as you can never get it back, it's better to accept the joys of middle age.青春一去不复返,你不能总为失去青春而伤感,最好还是享受人到中年的乐趣。
These children are prepared for the disappointments as well as the joys of life.这些孩子不仅准备享受生活的乐趣,而且也准备经受生活中的失意。
As we talked, she felt a joy she could not restrain.我们谈话时,她感到一种难以抑制的高兴。
He experienced a joy in helping others in trouble.他领受到了那种帮助困难人之后的快乐。

joy, delight, pleasure
参见delight条。
下面两句意思相同:
This is a great joy to me.
This gives me great joy.
这令我非常高兴。

看见他如此健康,真是一件令人高兴的事。
［误］  It's joy to see him so healthy.
［正］  It's a joy to see him so healthy.
［析］  joy在表示具体的“令人愉快的人或事”时,是可数名词。

joy在非正式英语中有“成功”的意思,一般用于否定句或疑问句中。例如:
I tried to get her on the telephone, but I didn't have any joy.我总想和她通个电话,但是找不到她。

［同义词］   delight, gladness, happiness, pleasure, satisfaction
［反义词］   misery, sadness, unhappiness
［词源］  ＜古法语joie ＜拉丁语gaudium ＜gandere (高兴,喜悦)