loopy

adj.‘’
疯狂的;奇怪的;怪异的;很生气的;十分愤怒的;失去理智的‘

例句

He must have gone completely loopy to give up a good job like that. 

他肯定犯傻了，竟然放弃了那样好的一个工作。

I think I'm going a bit loopy, I'm sure I had my keys when we left the house. 

我想我有点糊涂了，我们离开家时我肯定是带着钥匙的。

You can get really loopy here and sing to your heart's content. 

你可以唱的很疯，唱到你过瘾为止。