一、字词

1. 

释义：lay a finger on somebody, 这里理解是父母不让他动弟弟一根汗毛的意思。 
造句：Nobody could lay a finger on Harry, they all know his high position in that company.

2. 

释义： drive sb totally nuts, 把我逼疯了，彻底让我抓狂。
造句：The thing that really drive me totally nuts is that I lose freedom.

3. 

释义： put an end to it, 了结，终止。
造句：She'd like to put an end to it by communicating with her mother face to face.

二、句子

结构：wouldn't have done sth, 虚拟语气，表示对过去事情的假设，表示本来不应该做某事，而实际做了。
造句：I shouldn't have been so harsh on him.

三、作文

Finally, there only left one composition for today's homework. I talked to my niece," I will write something about you. You know, you are my niece. Is that right?" She rolled her eyes and saied,"I am not your niece, I am your baby."  She is too young to know what the niece means.