Her parents were determined to do something to help other victims of this undiscriminating disease.

她父母决心要做些什么来帮助这种所有人都容易感染的疾病的受害者。

《柯林斯英汉双解大词典》

Do something specific to help those in need.

做一些具体的事情来帮助那些需要帮助的人。

youdao

She joined the Peace Corps after she graduated from college because she wanted to do something to help other people.

她大学毕业后加入了和平部队，因为她想做点贡献来帮助别人。

youdao

"Even if you are not a celebrity, if you are not rich, if you are not famous, you can do something to help make this world a better place."

VOA: special.2009.08.10

You want to use the "so ~ that" pattern to help you explain why you can or can't do something.

使用 “so ~ that”句型可以帮助你解释你能够或者不能够做某事的原因。

so that 课堂 - SpeakingMax英语口语达人

"We have got to do something to help these small business people.

VOA: standard.2009.03.16

To bring about change against the tide, to help people do something other than what comes naturally to them, requires more than just imparting awareness of how they should act and then leaving them to it.

FORBES

They had to file for bankruptcy, and that's when Ashley decided that she had to do something to help her mom.

NPR: Obama Forced to Address Relationship with Pastor

In 1999, after his second solo expedition across the Sahara, he realized he had to do something to help the people affected by desertification.

CNN: Sahara explorer taming the desert