Mild-mannered Stanley morphs into a confident, grinning hero.

性情温和的斯坦利变了，成了充满信心、笑口常开的英雄。

柯林斯例句

Wear a smile often, and you will feel young always.

笑口常开, 青春常在.

《现代汉英综合大词典》

She tried to forget herself, to keep cheerful, and be satisfied with doing right.

她努力忘掉自己, 总是笑口常开, 并且满足于多做好事.

辞典例句

Knowledge make one laugh, but wealth make one dance.

知识使人笑口常开, 财富使人手舞足蹈.

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Wish my dear mother an everlasting youth and eternal happiness.

祝亲爱的妈妈青春永驻,笑口常开!

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Humour: Lighten up and laugh clears the air.

幽默: 态度轻松,笑口常开:间或开怀大笑,一切会变好!

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Spring Festival is coming. I wish you a life of happiness and smiles!

春节到了, 祝愿您笑口常开,万事如意!

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They find neither , but they find an overworked man of extraordinary cheerfulness , responsive , ready to laugh.

但是我们应该看到, 这是个工作非常辛苦但却又非常快乐的人,非常勤快, 服务周到, 笑口常开.

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Dave got back together with his girlfriend. And ever since then he's been smiling and laughing.

难怪Dave最近笑口常开,原来和女朋友言归于好了. 我真为他高兴.

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