To translate questions that have been suggested by other users, go to Menu> Question Factory. Once there, select "Translate questions".
Once you enter, you will be able to select the language of the questions you want to translate as well as the target language.
Then, translate the question and its answers and select Continue. If you do not like the question, select "Skip" and you will be assigned a new question.
For more information or to know other users' opinions, visit our Official Forum and check this post.
We invite you to visit the article: Question Factory to learn more about the process of suggesting and approving questions in the game.