"Sometimes, however, it is unavoidable," said Dumbledore, shaking back the sleeve of his robes and exposing the forearm of his injured hand.

“有时候是无法避免的。”邓布利多说着把长袍袖子往上抖了抖，露出了受伤的那只手的小臂。

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He even created a special dance of sleeve shaking.

他还发明了一种舞水袖的特殊舞蹈。

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Shortly after shaking hands with some of the quake survivors, Mr. Bush, you can see here, appeared to wipe his palm on Mr. Clinton's sleeve.

你可以在这里看到，布什先生在和地震幸存者握手后不久，似乎是在克林顿先生的衣袖上擦他的手掌。

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