沒有！speak up的意思是：（尤指為某人辯護或抗議某事）大膽地說，公開表態(tài);大聲說;提高嗓門。

例句：

1. Above all, speak up if you are having any technical difficulty.最重要的是，如果你有任何技術(shù)困難，就得大膽地說出來。2.I'm quite deaf — you'll have to speak up.我耳背——你得大聲說。2.Speak up, and fight back大聲說出來有力地回擊