I knew we could make a go of it and be happy.

我知道我们能做成这件事而且会很开心。

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It had always been a happy place.

这里从前一直是个令人愉快的地方。

《柯林斯英汉双解大词典》

Some critics liked it,too. They called it happy and full of life.

VOA: special.2009.02.15

People if you're coming in now, you can sit up here, or you even can sit on the floor up here. It's one big happy family.

刚进来的同学，可以坐在这，也可以坐在地上,这是个快乐的大家庭啊。

麻省理工公开课 - 固态化学导论课程节选

But I've had that for years and that's yeah, I like wearing it. It makes me happy.

我戴它很多年了，并且我喜欢戴着它。它让我很开心。

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It keeps the newspapers happy, it keeps the people happy, the citizens happy, that the police are doing something.

BBC: Viewpoint: The murky world of illegal Asian gambling

S.A.C. said in a statement Friday that it is happy to put these matters with the SEC behind it.

WSJ: Fund pays $600M to settle insider trading charges

Sport England had repeatedly reassured his firm that it was happy with the plans, he said, and it was now too late to change them.

BBC: News Online