他喜笑颜开。

He smiled radiantly.

看着院子里堆成山的粮食，全家人都喜笑颜开。

Looking at the grain piled high in the courtyard, the whole family were wreathed in smiles.

dvd播放机一经推出几乎立刻就大众商品化了；喜笑颜开的人是那些dvd制作商。

DVD players were commoditised almost as soon as they arrived; it was the makers of DVDs that were happy.

当她进来时，他马上喜笑颜开。

His face lit up with pleasure when she came in.

资产价格飙升，顾客喜笑颜开。

Asset prices were rising, making for happy clients.

他一看见娜塔莎，就喜笑颜开。

As soon as he saw Natasha his face beamed with delight.

十二小时之后，她又喜笑颜开了。

Twelve hours later she was all smiles again.

他喜笑颜开地表示欢迎。

His face expanded in a smile of welcome.

在一大堆喜笑颜开的陌生的脸当中，他瞥见了一些老朋友。

In the sea of grinning, unfamiliar faces he caught glimpses of friends.

老人一见到孙子就喜笑颜开的。

As soon as the old man sees his grandchild his face lights up.