change horses in midstream(redirected from change horses in the middle of the Stream)
change horses in midstreamand change horses in the middle of the stream
Fig. to make major changes in an activity that has already begun; to choose someone or something else after it is too late. (Alludes to someone trying to move from one horse to another while crossing a stream.) I'm already baking a cherry pie. I can't bake an apple pie. It's too late to change horses in the middle of the stream. The house is half-built. It's too late to hire a different architect. You can't change horses in midstream. Jane: I've written a rough draft of my research paper, but the topic doesn't interest me as much as I thought. Maybe I ought to pick a different one. Jill: Don't change horses in midstream.