可可英语每日一句口语：

Over thinking can literally drive you insane, causing a mental breakdown.想太多真的会让你疯掉，让你精神崩溃的。

【知识点讲解】

breakdown n. 崩溃；故障；衰弱；分类，明细；跺脚曳步舞

例句：His frequent depressions were the prelude to a complete mental breakdown.他经常抑郁寡欢,后来精神完全崩溃了。