She knew that her efforts to feign cheerfulness weren't convincing.

她明白自己强作欢颜是瞒不了谁的.

《简明英汉词典》

You can see smiling face every - where.

你到处可看到欢颜笑脸.

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Would you dry my tear and eas my pain, Would you make me smile onc again?

否会为我擦去泪水,抚平伤痛, 否会让我欢颜依旧?

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