ascribe（v.）
归因于，归咎于

例句：
He ascribed his failure to ill-health.
他把失败归咎于健康不佳。

cut class
逃学
   
例句：
Naughty boys always cut class.
淘气的男孩子总是逃学。

I don't know what is wrong with me.
我不知道怎么搞的。 
　　
对话：
A: Do you know that you hurt her by saying that?
B: I know I shouldn't have said that, but I didn't know what was wrong with me.

A：你知道你这样说伤害了她吗？
B：我知道我不该这么说，但不知道是怎么搞的。