Technically it is not a problem having list or tables of different lengths in translated pages. It works this way: The English page is split in translation units by blank lines. Each unit may be replaced by any content by the translator, even by no content at all.
On the other hand, if you want to have content on the German page for which there is no similar English content you would need to create an empty unit. It should be possible to do this by placing a comment surrounded by blank lines at the appropriate position in the English page.