rest,休息，安静，-less,没有。即没法休息的，没法安静的，焦躁不安的。

1. The unity of our society is threatened by troublesome and restless minorities.

我们社会的团结遭到了一小撮滋扰生事、不安分守己的群体的威胁。

2. He felt restless and dissatisfied as he drove home.

在开车回家的途中，他感到烦躁不安，很不高兴。

3. Marian retains a restless, youthful spirit, in search of new horizons.

玛丽安怀着一颗年轻、不断进取的心去寻求新的天地。

4. Hurt had spent a restless few hours on the plane from Paris.

赫特在从巴黎起飞的飞机上辗转反侧了几个小时。

5. The audience was becoming restless.

观众开始不耐烦了。