His smile faded as he rubbed his beard with bony fingers, in thought.

他用瘦削的手指搓着胡子沉思，笑容消失了。

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As the car drove away, his smile faded.

当车开走时，他的笑容渐渐地消失了。

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Then his face grew pale and his smile faded.

接着他脸色变得苍白，笑容消散。

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