do some good

基本解释

The donor's mother wanted to do some good, but the result turned out to be a tragedy for many.
捐贈者的母親想做一些好事，但是結果對許多人而言卻是一個悲劇。
The reform bill, passed by parliament on September 9th, falls well short of what was needed but may nevertheless do some good.
議會在9月9日通過了改革計劃的清單，這份清單儅然會有一些缺失，但是可以做一些有益之事。
It may do some good in the short term, but in the long term it's not going to solve the problem of invasive species on both sides of the divide.
短期內這也可能有一些好的傚果，但長遠來看，它不能解決分水嶺兩側的物種的入侵問題。

But experts say the medicine could still do some good even if there is a delay.
Some of you are probably good moral individuals and you do not want anybody to be tortured.
你們中有些人可能心地善良,不想讓任何人遭到受折磨。
耶魯公開課 - 死亡課程節選
Because people are going to be getting federal money to do some sort of do-good organizations, feeding the poor, something like that, some sort of helping with social services from a religious framework.
因爲人們將會得到聯邦資金,成立一些做善事的組織，比如爲窮人提供食物，協助從事社會事業,這些都在宗教框架之下。
普林斯頓公開課 - 人性課程節選

So if a flood is going to do some good, this is the time to unleash one.
ECONOMIST: Flooding the Grand Canyon