英汉解释

更大声地说；无保留地说出

同义词

v. animadvert，opine，sound off

参考例句

1. Speak up. Don't mumble!
大声说，别嘀嘀咕咕的!
2. Speak up in your community.
在你的社区里发言。
3. Now all that will change, so speak up for what you need.
现在一切将会改变，所以你要说出你的需要。

英英解释

v.
  1. speak one's opinion without fear or hesitation
  2. speak louder; raise one's voice

网络释义

speak up
大声说; 大声说话; 大声地说; 大声讲;
speak up
说大声些;
speak up for
为...辩护; 替...讲好话;
speak out speak up
大声地说;
speak up on
谈论;