squee
used to show that you are excited or happy
表示十分兴奋或开心，口语用法。
例句：
The next Game of Thrones book is out? SQUEE!!!
《权利的游戏》系列的新作出啦？太——棒——啦！！！
hooray
a word that you shout to show that you are excited and happy about something
当你对某件事感到十分兴奋和高兴的时候喊出的词语，主要用于口语。
例句：
"Hooray!" they shouted as the team scored again.
当球队再次得分时，他们大呼“好哇！”。
yippee
an expression of happiness and excitement. This word is used mainly by children.
可以用来表达高兴和兴奋的情绪，主要是小孩子使用。
例句：
My daughter's face lit up with pleasure at the sight of the Christmas tree. Yippee! she cried.
一看到圣诞树，我女儿喜笑颜开。她欢呼道：“耶！”
aah
used for showing that you are happy, satisfied, or surprised
表示你很开心、满意或是惊讶。
例句：
Aah, the food smells wonderful!
啊，食物闻起来太香啦！
excellent
used for showing that you are very pleased about something
口语用法，表达你对某事十分满意。
例句：
- We should be finished in a few hours.
再有几个小时我们就完工了。
- Excellent!
太好啦！
lovely
informal used for saying you are pleased about something
非正式用语，表达对某事物感到满意、高兴。
例句：
- We'll see you later.
我们一会儿见。
- Lovely.
好哒！
good for/on someone
used for saying that you are happy about something good that someone has done or that has happened to them
当你为某人做了一件对他自己有益的事或有好事发生在他身上而高兴时，就可以说good for you。
例句：
- I've decided to go back to school for some training in programing.
我决定再回学校学习一下编程。
- Good for you.
不错啊!
hallelujah
used for expressing happiness that something you had been waiting for or hoping for has happened
表示期待已久的事情真实发生时的喜悦。
例句：
Hallelujah! College days are over!
哈里路亚！大学终于上完了！
good
used for saying that you are pleased with someone, or are pleased about something
口语用法，表示你对某人或某事很高兴、满意。
例句：
- Dinner's ready!
晚饭好了！
- Good - I'm starving!
太好了——我正饿着呢。
thank God/goodness/heaven(s)
used for saying that you are happy that something unpleasant has stopped or has not happened
表达某件令人不快的事情终止或没有发生时的庆幸心情。
例句：
Oh, thank God. We all felt frightened by the bad news about him.
噢，真是谢天谢地。听到关于他的坏消息时，我们都吓坏了。
（中国日报网）