英语情景对话：
A: I hear that Mary got mad.
我听说玛丽疯了。
B: So I heard.
我也听说了。
A: What’s wrong with her?
怎么搞的。
B: She went over the edge after her son was killed in an accident.
自从他儿子在车祸中丧生后，她就变疯了。
习语：
over the edge
解词释义：
into a condition of extreme emotional or mental suffering，译为：疯了地。
语法用法：
他通常和go搭配做谓语，即：go over the edge。Go在这里是系动词，意思是变得。
支持范例：
She went over the edge after all of her family were killed in an accident.
她的全家在事故中丧命以后，她又疯了。
I worry that her daughter as upset as she is could easily be pushed over the edge and cause herself great harm.
我担心她的女儿和她一样抑郁，这样很容易换上精神分裂症，给她自己造成极大的伤害。
英语学习笔记：
be wrong with：有问题，出故障
范例：I can't quite lay my finger on what's wrong with the engine.
我不能确切地说出引擎的毛病。
There' s something wrong with my eyes -- I can' t see properly.
我眼睛有毛病了--看不清楚了。
If you find anything wrong with the machine, you should put it right at once.
发现机器有故障，要及时排除。
He quickly ran home, looking as if there was something wrong with him.
他快步跑回家，看上去好像有什么事不对劲。
