When someone is all fingers and thumbs, they are awkward with their hands and keep make mistakes.某人all fingers and thumbs，就是指他/她笨手笨脚，做事情一直会做错，该表达通常用在美式英语中，也可以简单说be all thumbs.

Examples:

Can you thread this needle for me? I'm all thumbs today.你能帮我穿针吗？我今天笨手笨脚的。

When I get nervous I’ll be all fingers and thumbs. 当我紧张的时候，我就笨手笨脚了。