а> говорить громко и отчетливо; Speak up, we can't hear you; б> высказаться; If you thought that wasn't fair, why didn't you speak up?
SPEAK UP
Англо-русский перевод SPEAK UP
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012