Partly as a side gig and partly as a hobby, the Korean is in the process of translating an American law textbook into Korean. One thing that the Korean noticed is that English sentences -- at least the kinds that are used in law textbooks -- are generally longer than Korean ones. Relatedly, English sentences have a lot of embedding structures that, when turned into Korean, make a sentence really tiresome to read. Also, there are many instances in which the same English word has to be translated into two or more different Korean words, to ensure that the translation does not sound forced.
Calling all amateur translators -- what bedevils you as you translate English to Korean, or vice versa?