Don't mean to incorporate rules (since I'm just a member), but:
Please, keep it in English. If you don't want to speak it here, PM them.
Português: Faz favor, falas em inglês. O "PM" senhors "if" tu não falas aqui.
Español: Por favor, manténgalo inglés. Si usted no desea hablarlo aquí, " P.M. " ellos.
Francais: S'il vous plaît, maintenez-le dans anglais. Si vous ne souhaitez pas le parler ici, " P.M. " ils.
Duestch: Bitte halten Sie es auf englisch. Wenn Sie nicht es hier sprechen möchten, " P.M. " sie.
(All translations (except the Portugese one, which I did) translated by Babelfish)