adj.简单的；朴素的；单纯的；笨的

In each cave they constructed five simple beds. 他们在每间窑洞里做了5个简单的床。

As he had forgot his keys, he got into the house by the simple expedient of climbing through the window. 他由于忘了带钥匙，便以简单的应急办法从窗户爬进屋里。

I like my clothes to be simple but elegant. 我喜欢朴素但漂亮雅致的衣服。

"A-bomb, H-bomb and nuclear-powered submarine" 两弹一艇

This love between you and me is simple as a song 我和你之间的爱,单纯得象一首歌

I'm not so simple as to think it will be easy. 我决不致于笨得以为那是容易的事。

simple用作形容词,基本意思是“简单的,易懂的”,侧重于事物不复杂,易于迅速解决或很快被头脑接受。simple也可作“朴素的,简朴的”解,一般指生活过得简朴。simple引申可指人“头脑简单的,易受骗的; 迟钝的”或事物“结构单一的,非复合的”解。

simple在作“结构单一的,非复合的”“纯粹的,单纯的,完全的”解时,没有比较级和最高级形式。