The most important rule for MT writing is: limit sentence length. Sentences longer than 25 words often become ambiguous and too complex for MT to correctly Publishers, Languages, Editing. Keeping sentences to a minimum word length will improve the quality of Translation.
Avoid metaphors, jokes, slang, puns, idiomatic expressions and regional or national expressions. Since these are often translated literally, they tend to lose their meaning, creating an unintelligible Translation. The literal translation of