Her smile means being happy.

她的微笑意味着正高兴。

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Smile means to gloat, but with conscience.

笑意味着幸灾乐祸，不过伴随着良心。

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So, smile away! Folks understand what a smile means.

所以，微笑着走开！人们明白微笑的手段。

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The family of a six-year-old girl with a rare syndrome which means she cannot smile said they are desperate for more research into the condition.

BBC: Six-year-old Nottingham girl Mia Blackwell cannot smile

But as frustrating as it might be, he and his friends are content to tone down their act, if it means bringing a smile to people's faces.

CNN: Iraq's TV comedy show courts controversy

To Lewis, a shy, numbers-obsessed fellow with a thin smile, the branches are the means to rake in cheap capital.

FORBES: Magazine Article