1. light up with pleasure 喜笑颜开
　　e.g. his face lit up with pleasure when she came in.

　　     当她进来时，他马上喜笑颜开。education.163.com

　　2. be extremely delighted 欢天喜地

　　e.g. we’re extremely delighted at your success.

　     　我们因为你的成功而欢天喜地。

　　3. be wild with joy, be ecstatic, be exuberant 欣喜若狂

　　e.g. the crowd was wild with joy when he scored the final goal.

　　     当他投入最后一球得分，人们欣喜若狂。

　　e.g. we were ecstatic to be together again.

　　     能重新相聚，我们真是欣喜若狂。

　　e.g. the children could not have been any more exuberant at the birthday party.

　　     孩子们在生日聚会上真是无比开心。

　　4. wear a happy expression, look cheerful 面带喜色；面带笑容 education.163.co

　　e.g. he was wearing a happy expression even though he was really worried.

　　     即使他很担心，他也总是面带笑容。

　　e.g. you l

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