dis-, 不，非，使相反。similar, 一致的。

1. It would be difficult to find two men who were more dissimilar.

很难找到彼此间差异更大的人了。

来自柯林斯例句

2. The identical treatment of such dissimilar items is totally illogical.

对如此不同的东西用一模一样的处理方法是完全不合逻辑的。

来自柯林斯例句

3. His methods were not dissimilar to those used by Freud.

他的方法和弗洛伊德的并无二致。

来自柯林斯例句

4. The two writers are not dissimilar in style.

那两位作家的文风并没有什么不同.

来自《简明英汉词典》

5. There might be a likeness between their features, but their eyes were totally dissimilar.

他们的相貌也许有些相似，但眼睛却完全不同。

来自柯林斯例句