be all fingers and thumbs
US /bi ɔl ˈfɪŋɡərz ænd θʌmz/
UK /bi ɔl ˈfɪŋɡərz ænd θʌmz/

1.
vụng về, lóng ngóng
to be clumsy or awkward with your hands, especially when trying to do something that requires fine motor skills
:
•
I'm usually good with crafts, but today I'm all fingers and thumbs.
Tôi thường khéo tay, nhưng hôm nay tôi vụng về quá.
•
He was so nervous that he was all fingers and thumbs when trying to tie his shoelaces.
Anh ấy quá lo lắng đến nỗi vụng về khi cố gắng buộc dây giày.