do-gooder

do-gooder 的音标为 [duː ˈgʊmə(r)]，基本翻译为“做好事的人”，速记技巧为“嘟咕摸儿”谐音为“都古儿摸儿”意为做好事的人。

do-gooder这个词的英文词源可以追溯到英语单词do-gooder，这个词源于do-gooding，而do-gooding这个词则源于goody-goody，这个词最初指的是一个乐于助人的人，后来逐渐演变为贬义词，用来形容那些假装善良的人。

do-gooder这个词的变化形式包括其复数形式do-gooders，过去式do-gooded和过去分词do-goodery。

相关单词方面，do-gooders可以用来指代那些真正行善的人，而do-goodery则可以用来形容行善的行为或品质。除此之外，与do-gooder这个词相关的单词还包括goodness、altruism、philanthropy等，这些单词都与善良、慈善和利他主义有关。

在英语中，do-gooder这个词的使用频率逐渐降低，但是它仍然是一个重要的词汇，因为它可以用来形容那些假装善良的人，也可以用来强调真正的善良和行善的重要性。同时，它也可以用来提醒人们不要被表面的善良所迷惑，要真正地去关心他人，去行善。

总之，do-gooder这个词的英文词源可以追溯到goody-goody这个词，它经历了许多变化和发展，现在仍然是一个重要的词汇。它不仅可以用来说明那些假装善良的人，也可以强调真正的善良和行善的重要性。相关单词包括do-gooders、goodness、altruism、philanthropy等，这些单词都与善良、慈善和利他主义有关。

常用短语：

1. do good 做好事

例句：He always tries to do good in his community.

2. do harm to 对...有害

例句：Smoking does harm to one"s health.

3. do one"s best 尽力

例句：We should do our best to solve the problem.

4. do some research 进行研究

例句：They are doing some research into the effects of climate change.

5. do business 交易

例句：They do business with many countries around the world.

6. do over 重做

例句：I need to do over the painting because it"s not looking good.

7. do away with 废除，去掉

例句：We need to do away with the old system and adopt a new one.

英文小作文：

When it comes to doing good, I believe that every person has the ability to make a difference in the world. Whether it"s volunteering at a local charity or simply being kind to others, doing good can make a big difference in someone"s life. However, we also need to be aware of the negative effects of doing harm to others or engaging in unethical behavior. It"s important to always do our best and try to make a positive impact on the world around us. At the same time, we should always be open to new ideas and opportunities to learn and grow, which can help us become better people and make a bigger impact on the world.