adj.疯狂的,低能的;
例句:
The noise would drive anyone scatty.
那噪音简直能把人逼疯.
Your scatty son has forgotten his key again.
你那儿子丢叁落四又把钥匙给忘了.
Her mother is scatty and absent-minded.
她母亲糊里糊涂,丢三落四。