He has some acquaintance with German,but doesn’t speak it fluently.

他略懂一点德语,但说得不流利。

She can speak English fluently as she is always in practice.

她一直在练习, 所英语讲得很流利。

Speaking the language fluently certainly smoothed our path.

我们说这种语言很流利, 确实给我们带来了许多方便。

It is quite unthinkable that a child like him can speak a foreign language so fluently.

像他这样孩子居然能流利地说一种外语, 真是令难置信。

You may be able to read French well, but speaking it fluently is a different kettle of fish entirely.

你也许能很流利地看法语，但要流利地说法语就是另一码事了。