make a pig's ear of
US /meɪk ə pɪɡz ɪər əv/
UK /meɪk ə pɪɡz ɪər əv/

1.
搞砸, 弄得一團糟
to do something very badly
:
•
I really made a pig's ear of that presentation.
我真的把那個演示文稿搞砸了。
•
He made a pig's ear of the repairs, so we had to call a professional.
他把修理工作搞砸了,所以我們不得不請專業人士。