insane

US /ɪnˈseɪn/
UK /ɪnˈseɪn/
"insane" picture
1.

精神失常的, 疯的

in a state of mind which prevents normal perception, behavior, or social interaction; seriously mentally ill.

:
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.

:
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