go loony
collocation发疯；变得疯疯癫癫
If you keep working without sleep, you'll go loony.
如果你一直不睡觉地工作，你会发疯的。
发疯的；疯癫的；神经兮兮的
looniest — superlative of loony
先理解核心含义，再看它在真实句子里的用法。
发疯的；疯癫的；神经兮兮的
crazy; mentally unstable (informal)
He came up with a loony idea to build a house out of cardboard.
他想出了一个用纸板建房子的疯狂主意。
非正式或俚语用法
精神不正常的
informal or slang terms for mentally irregular
That plan sounds totally loony; we should think of something more practical.
那个计划听起来完全疯狂；我们应该想点更实际的。
My brother's looniest scheme was to train squirrels to play chess.
我哥哥最疯狂的计划是训练松鼠下棋。
Choose the next layer that will help you use looniest with more confidence.
Recommended next
Missing: Usage patterns
Complete this area with usage patterns.
Includes Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
发疯；变得疯疯癫癫
If you keep working without sleep, you'll go loony.
如果你一直不睡觉地工作，你会发疯的。
逼疯某人；使某人发疯
The constant noise from the construction site is driving me loony.
建筑工地不断的噪音快把我逼疯了。
荒唐的主意
Moving to a deserted island sounds like a loony idea to me.
搬去荒岛住对我来说真是个荒唐的主意。
疯癫的行为
His loony behaviour at the meeting left everyone speechless.
他在会议上的疯癫行为让所有人目瞪口呆。
听起来疯疯癫癫
I know the plan sounds loony, but it might actually work.
我知道这个计划听起来疯疯癫癫，但它也许真能行。
精神病院（俚语，含贬义）
They sent him to the loony bin after his breakdown.
他精神崩溃后被送进了精神病院。
疯疯癫癫的；疯狂的
She's totally loony tunes, but we love her.
她完全疯疯癫癫的，但我们喜欢她。
（英国俚语，贬义）极左派；疯狂左翼
The tabloids accused the council of being the loony left.
小报指责该委员会是极左疯子。
那是疯姑娘洛夫古德。
Some people think he's loony because he talks to himself.
有些人认为他精神不正常，因为他自言自语。
Use looniest naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 loony 联想成疯疯癫癫的卡通角色（Looney Tunes 里的 loony），一看到它就想到“神经兮兮的”。
语域：informal 常见场景：与朋友闲聊时、非正式书写中 通常用于非正式场合，多出现在口语或随意书写中，带有玩笑或贬义色彩，正式场合应避免使用。
形容词，常用于口语或非正式语境，表示‘发狂的，极蠢的’。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.