The lights go off, and the din of the tourists turns from a momentary grumble of protest to a greedy growl to whispered disappointment.

灯光熄灭了，一时间游客的噪声从短暂的抗议的抱怨声变成了贪婪的咆哮声，接着变成了失望的低语声。

youdao

It would be futile to protest.

抗议也无用。

《牛津词典》

She knew it was useless to protest.

她知道抗议是没用的。

《柯林斯英汉双解大词典》

South Korean Unification Ministry spokesman Chun Hae-sung says Seoul sent a message of protest to the North.

VOA: standard.2009.09.07

And it is a stereotype but it's a statistically robust one and nobody lines up to protest this.

这确实是刻板印象，但这是有数据支持的,而且没有人会排队去抗议它。

耶鲁公开课 - 心理学导论课程节选

The fan of the soul begins to want to protest, "Look, we're not just robots.

灵魂的支持者开始想要抗议,听着,我们不是机器人

耶鲁公开课 - 死亡课程节选

Opposition groups, led by al-Wefaq, have repeatedly called for all protest to be peaceful.

BBC: Dozens injured as violence flares in Bahrain

In the shift from protest to politics, some venerable black institutions ironically are getting left behind.

CNN: From Protest To Politics

Would 1, 800 Falklanders loyal to the Crown, English-speaking be consigned without real protest to foreign rule and dictatorship?

WSJ: Review & Outlook: Not for Turning