not any more... than

not any more... than 是 no more... than 的另一种说法, 是一种强调形式。故你问的句子可以译为:

雷切尔和索尔一样不勇敢(索尔不勇敢,雷切尔也不勇敢)。

请注意,这个句型有一个特点:any more 既可以放在主句中,也可以放在从句中:

1. Rachel isn't courageous, any more than Saul (is). (CGEL)

2. He cannot effect the impossible, any more than we are. 他跟我们一样都不能做不可能的事。

3. There is no solution in Cyprus that will meet everybody's requirements, any more than there is in Ulster. 在塞浦路斯不可能找到迎合各方要求的解决方案，正如在北爱尔兰一样。（转引自《英译汉理论与实例》，p.167）

4. But because the royal family is not an ordinary family, any more than it is ordinarily rich... 但是，由于英国的皇室家庭不是一般的普通家庭，其财富也不是一般的财富……（同上）请做下面的英语试题：

5. There is no reason they should limit how much vitamin you take, ____ they can limit how much water you drink. A. much more than B. no more than C. no less than D. any more than(全国研考,93-24)

6. Fat cannot change into muscle ____ muscle changes into fat. A. any more than B. no more than C. no less than D. much more than(全国英语专业四级,99-44)

[参见 no more... than, not any more(...) than/no more... than]