1. 词汇：wouldn’t hurt a fly

释义：To harm nothing or no one. Said of one who is particularly gentle, shy, diffident, or timid by nature.

（不伤害任何人或任何事物，尤其指天生就温柔，害羞，谦虚谨慎，胆小的人）

例句：My brother is a very sweet, warm-hearted man who wouldn't hurt a fly. How can you suspect him of committing this crime?

我哥哥是一个非常可爱、热心的人，他不会做伤害他人它物的事情，你怎么能怀疑他犯罪呢？

Our dog may look fierce but he wouldn't hurt a fly.

我们的狗别看样子凶，其实它很温顺。

Though John has a muscular body and a fierce look but he is a man who wouldn't hurt a fly .

虽然约翰身体健壮且相貌凶恶，但他是一个连苍蝇都不会伤害的人。

He insists that he is a pacifist, who would not harm a fly.

他坚称自己是和平主义者，不会做伤人伤物之事。

2. 词汇：fly the coop

释义：To leave or escape. （逃走，离开）

例句：This lecture is so boring. Come on, let's fly the coop and go get a drink somewhere!

这个讲座真无聊，来吧，我们离开去找个地方喝一杯！

I'm definitely flying the coop when I turn 18—I can't wait to have a little freedom!

当我18岁的时候，我肯定会出走——我迫不及待地需要自由！

The prisoner flew the coop at the first opportunity.

犯人一有机会就逃走了。

I couldn't stand the party, so I flew the coop.

我无法忍受这个聚会，所以我离开了。

3. 词汇：fly the flag

释义：To stand up for, support, or defend someone or something. （挺身而出、支持或捍卫）

例句：A number of people from the actor's hometown are coming to New York to fly the flag at his debut performance on Broadway.

许多来自这位演员家乡的人来纽约支持他在百老汇的首演。

My country is often a target for insults or gibes abroad, so whenever I go traveling I make a point of flying the flag for it.

我的国家在国外经常是侮辱或嘲笑的对象，所以无论我什么时候去旅行，我都要为此而强调我拥护我的祖国。

He was left to fly the flag for state education.

他留下来为教育摇旗呐喊。