Blunder به انگلیسی
From Longman Dictionary
blun‧der1 /ˈblʌndə $ -ər/ noun
یک اشتباه بی دقت یا احمقانه
blunder2 verb
to move in an unsteady way, as if you cannot see properly
به شکلی ناپایدار حرکت کنید، گویی نمی توانید درست ببینید
to make a big mistake, especially because you have been careless or stupid
یک اشتباه بزرگ مرتکب شوید، به خصوص به این دلیل که شما بی دقت یا احمق بوده اید
to enter a place or become involved in a difficult situation by mistake
وارد شدن به مکانی یا به اشتباه درگیر موقعیتی دشوار
Example
A last-minute blunder cost them the match
The parents face a nightmare week-long wait before blood tests show if there has been a hospital blunder
One popular blunder that almost every economist denounces is rent control
They blundered badly when they gave him the job
Someone was blundering about in the kitchen