► Phrases (2) Phrases (2) Gwell cadw dy geg ar gau a gadael i bobl feddwl dy fod yn dwp na'i agor a gwaredu unrhyw amheuaeth It's better to keep your mouth shut and let people think you're stupid rather open it and dispel all doubtyn dwp crassly, densely, dozily, dully, obtusely Sign in or Register to see the full entries