He was a smooth one to talk, and was a dab at the ways of gentlefolks.

他为人圆滑，深谙君子之道。

In two or three years he is going to retire and we shall live on the Riviera like gentlefolks (comme des gens bien).

他将退休， 我们将像绅士一样生活在里维埃拉 (comme des gens bien)。