much,非常，-ness,名词后缀。引申词义非常相似。

1. They are all much of a muchness.

他们都是大同小异的.

来自《现代汉英综合大词典》

2. It is hard to say who is the most beautiful girl, they seemed much of muchness.

很难说哪个女孩最好看, 她们都很相似.

来自《简明英汉词典》

3. They are much of muchness in appearance and quality.

它们在外表和品质方面大同小异.

来自互联网

4. It's hard to choose between the two candidates: they're both much of a muchness.

很难在这两个候选人中作选择; 他们俩不分上下.

来自互联网

5. The tracks are pretty much of muchness and most people will prefer other types of genres.

这些卡车都很相似,而大多数人都喜欢别的样式的.

来自互联网