He is a man of plainness.

他是一个直率的人。

There was an elegant plainness in this small house.

这小屋子里有一种高雅的朴素。

She preserves her sense of humor from the plainness of life itself.

尽管生活很平淡，她的幽默感还是没变。

The plainness of these houses discourages many prospective buyers.

这些房子很难看，使许多潜在的买主望而却步。

Seeing then that we have such hope, we use great plainness of speech.

我们既有这样的盼望，就大胆讲说。