around Robin Hood's barn idiom
US old-fashioned informal绕了很远的路，花了很长时间
going an indirect way to get to your destination, so that it takes a long time
We got so lost that we ended up going around Robin Hood's barn to get to Tom and Diane's new house. 我们迷路了，最后绕了很远的路才找到了汤姆和黛安的新家。