说句题外话，我现在波兰语的流利程度可以轻松达到自己定义的第三等级。

As an aside, I can now easily achieve my self-defined Level 3 of Fluency in Polish.

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例如，即将升入大学三年级的北京大学志愿者魏晓，总是充满自信，说话流利，面带微笑。

Volunteer Wang Xiao, for example, a rising junior at the top-ranked Peking University, is confident, articulate, and smiles a lot.

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英语口语和书写流利，英语4级以上。

Fluent in both oral and written English. CET-4 and above.

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