touch or handle (sth) awkwardly or nervously
struggle with sth,handle in an awkward fashion
"She groped for her glasses in the darkness of the bedroom"
"He fumbled towards the door"
"I botched the dinner and we had to eat out"
"the pianist screwed up the difficult passage in the second movement"
"fumble a grounder"
I fumbled with the catch of the front door, my hands trembling with nervousness.
出自： I. Murdoch
I fumbled in my shopping bag..for our supper.
出自： E. Figes
Mark would not fumble..he would move with absolute assurance.
出自： L. Auchincloss
Fumbling in his mind for something to say.