朴素的英文：
simple
plain
austere

naive realism
【哲】朴素实在论

They dress in quiet colors so as not to call attention to themselves.
为了避免别人注目，他们穿得很朴素。

The simplicity of storytelling is attractive in such a complicated world.
在现在复杂的社会里，简单朴素的特点使这项活动独具魅力。

Although St Lucia trades on its relatively unsophisticated image, it is not bereft of celebrity glamour.
尽管圣卢西亚利用了其相对朴素的形象，但它并没有丧失其名人魅力。

That's the sort of painting I like: simple, suggestive and unpretentious.
我就是喜欢这种画;朴素，发人深思，而且毫无矫揉造作之感。

Soberly clad villagers
穿戴朴素的村民

Simplicity is magnificent, and should be respected.
朴素是高尚的，理应尊崇。

She was dressed more than simply.
她穿着十分朴素。

Free from ostentation or pretension;modest.
朴素的，谦逊的;端庄的

I 'd like something plain and quiet.
我想要朴素而文静的。

Simple pushbuttons for simple functions are good.
对于简单的功能来说，简单的按钮就足够了。

This book has a simple premise:
本书有一个简单的前提：

He is Spaniard pure and simple
他是一个纯血统的西班牙人

plain stupidity
十足的笨蛋

This is plain on the face of the facts.
这一点，从事实的表面就可以清楚地看出来。

the diamond was in a plain gold mount.
这个钻石嵌在一个金底板上。

The lady demands, with great austerity.
这位太太声色俱厉地逼问。

The wages of such sins are austerity.
这些“罪孽”的报应是禁欲苦行。

An austere habit or practice.
苦行节制的习惯或实践