快乐的英语是happy，adj. 快乐的。
例句：How lucky I am to work with you! Happy Valentines Day. Boyhood is a happy time of life.
相关介绍Hookins made a speech couched in a happy vein.
（图片来自网络侵删）
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。
