他眉开眼笑，精神焕发。

His eyebrows danced; his spirits soared.

金钱让人眉开眼笑。

Money makes a man laugh.

当公司宣布给每个人一大笔奖金时，员工们都眉开眼笑。

The staff were tickled pink when the company announced a fat bonus for everyone.

他们信以为真，赶紧扮出眉开眼笑的样子，我便抓住机会把他们天真无邪的“笑”都“收”进画里。

They believe, to play the part of the appearance of a smile, I will take the opportunity to put their innocent "smile" is "closed" into the picture.