They were an extremely happy couple, ideally suited.

他们是极其幸福、天造地设的一对。

《柯林斯英汉双解大词典》

I've got two children—the younger one, Kynan, was extremely happy about the tigers arriving—but all of us really looked forward to being part of their lives and watching them grow.

我有两个孩子，小一点的凯南对老虎的到来感到非常高兴，但我们所有人都非常期待成为它们生活的一部分，看着它们成长。

youdao

They made him extremely happy.

那些评论使他高兴极了。

youdao

She is extremely happy because this man is the apple of her eye, a very special person.

VOA: special.2009.09.06

The difference between the extremely happy people and extremely unhappy people is not that one gets sad, of upset, or anxious, or depressed; and the other does not.

极其快乐的人和极其不快乐的人,区别不是在于一个会伤心，难过，焦虑或抑郁;,而另一个不会。

哈佛公开课 - 幸福课课程节选

"I'm very proud of the players and extremely happy with the result, " said Townsend.

BBC: Scots coach Gregor Towsend predicts Argentina backlash

"I was extremely happy the way I played today, " Philippoussis said after a 6-2 6-3 win.

BBC: Sampras beats 'desert demons'

Boston Celtics coach Doc Rivers, Collins's former coach, said he is "extremely happy and proud" of Collins.

WSJ: NBA's Jason Collins Reveals He's Gay