美 [ˈfʌmbl əˈbaʊt]
摸索，胡乱摸索：不熟练地寻找或处理事物，通常表现出笨拙或不确定的动作。
乱摸，摸弄；失误
After watching his dad fumble the ball Flintoff broke into a huge grin and he joked about it as he walked off for lunch.
But its failure to spot the danger signs at Siwei is a fumble for a U.S. industrial icon and raises doubts about the way it does business abroad.
FORBES: Cat Scammed: How A U.S. Company Blew Half A Billion Dollars In China