I hope people will be courageous enough to speak out against this injustice.

我希望人们能敢于大胆说出来，反对这种不公。

It takes courage to speak out against the tide of opinion.

跟舆论趋向唱反调需要勇气。

They are too frightened to speak out against the gun-toting thugs.

他们吓坏了，不敢公然反抗这些持枪暴徒。

If no one has the courage to speak out against bullying, the situation will be worse.

如果没有人敢挺身而出站反对霸凌，情况会更糟。

Speak out against it.

发言反对。