第一，迷你对话

A: Mary, could you help me with this problem?

Mary，你能给我讲讲这道难题吗？

B: Sure. Ah, our teacher has explained it in class, hasn't she?

当然可以，啊，这道难题老师在课堂上不是讲过了吗？

A: Yeah. But I didn't cotton on to what he said.

是的，但是我没听懂。

第二，地道表达

cotton on

1. 解词释义

Cotton on的意思是“理解，懂得，意识到”，它后面往往跟to something。

2. 拓展范例

e.g. I didn't cotton on to your last point, could you explain it again?

最后一点我不明白, 请再解释一下好吗 ?

e.g. She had already cottoned on to the fact that the nanny was not all she appeared.

她已经意识到这个保姆不只是她看起来的那样。

e.g. It wasn't until he started laughing that they cottoned on!

他开始笑起来，他们才明白是怎么回事。

第三，语汇积累

help someone with something: 帮助某人做某事

e.g. All the neighbours clubbed together to help him with his debts.

邻居们都凑钱帮他还债。

e.g. He cheered up at once when I promised to help him with his lessons.

当我答应帮他做功课时，他立刻高兴起来了。