"he told me to keep stay mum about the project" in German He told me to keep/stay mum about the project. Er hat mir gesagt, ich soll über das Projekt nichts verraten. Detailed translations for "he told me to keep stay mum about the project" He told me to keep/stay mum about the project. He told me to keep/stay mum about the project. Er hat mir gesagt, ich soll über das Projekt nichts verraten.