I stand up and speak up.

我站起来大声说话。

youdao

Stand up for someone. Lend your voice. Often the powerless, the homeless, the neglected in our world need someone to speak up for them.

援助那些无家可归的无助者，这些被大众世界所忽视的人们需要有人为他们声援。

youdao

If you want to be seen, stand up. If you want to be heard, speak up.

如果要别人看见你，就得站起来；如果要人家听见你，必须大声发言。

youdao

Stand up and speak up.

站起来，大声说。

youdao

Stand up and speak up.

站起来，大声说。

youdao