insane
US /ɪnˈseɪn/
UK /ɪnˈseɪn/

形容词
1.
精神失常的, 疯的
in a state of mind which prevents normal perception, behavior, or social interaction; seriously mentally ill.
示例:
•
The stress of the job almost drove him insane.
工作的压力几乎把他逼疯了。
•
He was declared legally insane and committed to a mental institution.
他被合法宣布为精神失常,并被送往精神病院。
2.
疯狂的, 荒谬的
extremely foolish or unreasonable.
示例:
•
It's insane to drive without a seatbelt.
不系安全带开车是疯狂的。
•
The prices they are charging are absolutely insane.
他们收取的费用简直是天价。
在 Lingoland 学习这个单词