快乐的英语是happy，英 [ˈhæpɪ] 美 [ˈhæpi] adj. 快乐的。例句：How lucky I am to work with you! Happy Valentine's Day. Boyhood is a happy time of life.

英：

美：

Hookins made a speech couched in a happy vein.

霍金斯愉快地讲了话。

Your attempts at sarcasm are not very happy.

你的挖苦是很不成功的。

I'll be happy with any job i 'm assigned to do.

把我安在哪儿都行。

She goes through life in a happy go lucky fashion .

她一向乐天知命。

People would have flashes of happy expression.

人们偶尔会妙语横生。

I was much happier in my old job.

我做我原先的那份工作要带劲得多。

Goldetein was feeling rather happy now.

戈尔斯坦此刻觉得倒也愉快。

I made no doubt of her being extremely happy.

我毫不怀疑她快乐至极。

You must try to strike a happy medium.

你必须设法采取折衷的态度。

They are happy , nor need we worry.

他们很幸福，我们实际上也不必担心。

Now the old man is living a happy life.

而今，这位老人过着幸福的生活。

He will be a happy fellow who gets her!

谁娶了她，真是艳福不浅！

Well, a girl can be happy anywhere.

嗯，女孩子总可以随遇而安的。

Men and women are happy when they love.

男女相爱的时候是幸福的。

He is as happy as can be.

他是很幸福的他（幸福得）不能再幸福了。

For all his wealth, he was not happy.

尽管他很有钱，他并不快乐。

Your wandering girl is fine and happy.

您那漂泊江湖的女儿很好，很快乐。

Many happy return of this auspicious day to you.

恭祝生日快乐。

Planck was not very happy about this idea.

普朗克对这个概念并不很满意。

Boyhood is a happy time of life.

少年时代是人生的一个幸福阶段。