By a happy coincidence , we arrived at exactly the same time.

碰巧运气好，我们刚好同时到达。

《牛津词典》

It was a breakfast, one that brought back memories of the happy time with my parents.

那是一顿早餐，一顿让我回忆起和父母在一起的快乐时光的早餐。

youdao

These persons quietly appear in your life, accompany you with a happy time and then he could leave silently.

这些人静静的出现在你的生命里，陪你度过一段快乐的时光，然后他再不动声色的离开。

youdao

And they got in this habit of, every time they had a bright, happy text, they'd set this in one kind of mode or key-- a major mode--and every time they had a sad one, they'd set it in minor.

于是人们养成了这样的习惯,每当人们书写欢乐,愉悦的歌词时,他们就设定一个调式或调性,即大调,每当人们书写忧伤的歌词时,他们就定为小调

耶鲁公开课 - 聆听音乐课程节选

And welcome to the White House, and a belated happy Easter -- this time of the year when we celebrate renewal and we reflect on the faith that brings us together.

WHITEHOUSE: Easter Prayer Breakfast 2013

There was a time when the half-happy ending of an Allen movie felt stirring and hard-earned, but the collective felicity that descends at the end of this project is more of a flimsy dream.

NEWYORKER: Whatever Works

In other words, Johnson is simply too chill and too happy-go-lucky to win over the Republican Party at a time when the driving force behind conservative politics is fear and anger.

FORBES: Is Gary Johnson Too Chill to Be President?