詞組講解：

1. turn back:（使）折回

eg. The danger is certainly a lion in the way; you can go ahead or turn back. Which will you do?
危險當然是可怕的障礙，你可以向前走，也可以向后轉，你愿意走哪條路？

2. be in the middle of something =be busy with sth 忙于某事

eg. If you're asked whether it's a good time to talk, you can be honest and say you're in the middle of something.
如果對方問你這時說話是否方便，你可以實話實說，稱自己在忙于某事。

3. help out: 幫助解決難題

eg. If people want to help out, what do you think they should do with their money if not make donations?
加入人們想要幫助，如果他們的錢不用來捐贈，你認為還可以用于哪些方面？

4. brush up against：碰及，遭遇

eg. As life move along the river, we will constantly inevitably brush up against both banks.
當生命沿著河流，我們將不斷不可避免擦到兩河岸。

5. step aside: 避開，退讓

Step aside and let me pass, barked the chauffeur.
“躲開，讓我過去”，那司機粗魯地喊道。

典型口語：

1. What're you gonna do?
你要干什么？

gonna =going to 在口語常做這樣的省略

2. You have no idea. 你們不知道。

有時別人問你意見，你不知道怎么回答，你可以直接說：No idea.