Secondly, you select this section or sentence. Firstly, you search something that you don't understand because it's in an other language. You shouldn't either select pictures or tables because these will disappear and mystic text will appear there. If you select a longer text, you'll get an alert box in some cases. You can select a maximum of 1100-character long text.
It's highly recommended to select less text than more, otherwise the translation will take longer to appear. If it is not possible then English will be the target language of the translation. By default, the add-on will try to set your detected language for the default target language.
