crazyadjective
People said he'd be crazy to take the job.
Other kids thought we were crazy to buy books to read.
Most of their friends thought they were crazy to open their home to complete strangers.
I'd be crazy to believe the new system is perfect.
You're crazy to buy a house without seeing it.看都没看就买下一所房子，你真荒唐。

SMART Vocabulary: related words and phrases

Stupid and silly
absurd
absurdity
absurdly
adolescent
against your better judgmentidiom
dopily
dorky
dottiness
dotty
dozily
in his/her/their wisdomidiom
in someone's infinite wisdomidiom
inadvisable
injudicious
injudiciously
uncritical
uncritically
undiscriminating
unintelligent
unperceptive