I hope we are not like those human do-gooders who, when the horse was vanishing, still donated troughs in City Hall Square for thirsty nags.

但愿吾与友非如此般慈善之人：马亡方知捐水槽，大庭广众侯驽马。

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We are looking for DJs, Projectionists, Filmmakers, Photographers, do-gooders, and just about anyone who wants to be a part of something super cool.

我们正在招募多位DJ、放映师、电影人、摄影师、好事者，以及所有想成为超酷事件一份子的人。

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But among the 12,000 delegates, policymakers, their retinues, academics and do-gooders departing the Peruvian capital, the mood was distinctly unsunny.

但是在12000代表中，决策者，随行者，学术者，和空想社会改良家离开了秘鲁首都，很明显地，他们心情是沉重的。

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Count on politicians and do-gooders to keep pushing plans for aiding the less-developed world.

FORBES: Magazine Article

Yet government officials say they do not want Libya now to be overrun by foreign do-gooders.

ECONOMIST: Libya

Thunderbirds was a 1965-1966 British science fiction series that had it all: Heroic do-gooders.

FORBES: Thunderbirds Are Go! for a Remake. But Will It Have Puppets?