Keep Smiling 保持笑臉，真的很美！

Smile since you were kids
小時候，笑起來真的很可愛

Smile let you more beautiful when you grow up
長大了，笑使你更美

Even your beauty faded...but sti ll look so happy
即使老了，笑也使人覺得你是那麼快樂幸福

So~ Keep Smiling on your face ~ 保持笑臉吧！