1. While he chatted with other tourists, I exchanged polite conversation in the dark with a man seated in front of me, a Belgian who spoke fluent English.
    他跟其他游客聊着天，我则在黑暗中礼貌地跟一位坐在我前面的男士谈话。他是位比利时人，讲一口流利的英语。

2. All of them go for the same reasons -- to become fluent in English, complete high school, and understand everything they can about the American way of life.
    他们都是因为同样的原因赴美的——学会流利的英语、完成中学学业以及尽可能了解有关美国生活方式的方方面面。

3. She speaks fluent English.
    她说得一口流利的英语。